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TREK PROCALIBER 8 HARDTAIL MTB BIKE 2027 DESERT SAGE

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The Trek Procaliber 8 is a fast and capable cross-country hardtail built for riders chasing personal bests, marathon adventures and race-day performance.

Its Alpha Platinum Aluminium frame delivers efficient power transfer and confident handling through technical terrain, while the 120mm RockShox Recon Gold RL fork keeps you composed over roots, rocks and rough singletrack. A SRAM Eagle 70 T-Type 12-speed drivetrain provides smooth, dependable shifting with a huge gear range for steep climbs and fast descents. Bontrager Kovee Tubeless Ready wheels, Maxxis Rekon Race tyres and Shimano hydraulic disc brakes complete a lightweight, trail-ready package that's equally at home on XC race courses and all-day trail rides.


Features

  • Race-Ready Aluminium Frame: Alpha Platinum Aluminium frame delivers responsive handling, efficient climbing and confident XC performance.
  • Modern T-Type Drivetrain: SRAM Eagle 70 T-Type 12-speed transmission provides precise shifting with a wide gear range for varied terrain.
  • Confident Trail Control: RockShox Recon Gold RL fork and Shimano hydraulic disc brakes keep you composed on technical trails.

Full Specification

  • Frame: Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12mm thru axle
  • Fork: RockShox Recon Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
  • Shifters: SRAM Eagle 70, 12-speed
  • Crankset: SRAM Eagle 70 T-Type DUB
  • Cassette: SRAM Eagle XS-1270 T-Type, 10-52T, 12-speed
  • Chain: SRAM Eagle 70 T-Type, 12-speed
  • Front Derailleur: None (1x drivetrain)
  • Rear Derailleur: SRAM Eagle 70 T-Type
  • Bottom Bracket: SRAM DUB MTB Wide, BSA threaded, 73mm
  • Pedals: VP-536 nylon platform pedals
  • Rims: Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
  • Front Hub: Shimano TC500 alloy, CentreLock, 110x15mm thru axle
  • Rear Hub: Shimano TC500-HG
  • Tyres: Maxxis Rekon Race, Tubeless Ready, EXO casing, folding bead, 60 TPI, 29x2.40"
  • Brakes: Shimano hydraulic disc brakes with MT4100 levers and MT410 callipers
  • Handlebars: Bontrager Comp alloy, 31.8mm clamp, 5mm rise, 720mm width (S-M); Bontrager Rhythm Comp alloy, 31.8mm clamp, 15mm rise, 750mm width (ML-XL)
  • Bar Tape: Trek Line Comp lock-on grips
  • Stem: Bontrager Comp, 50mm (S); Bontrager Elite, Blendr-compatible, 31.8mm clamp, 7° rise; 60mm (M-ML), 70mm (L), 80mm (XL)
  • Saddle: Verse Short with chromoly rails, 145mm width
  • Seatpost: Bontrager Line Dropper MaxFlow, internal routing; 100mm travel (S-M), 150mm (ML-L), 170mm (XL)
  • Accessories: Bontrager TLR rim strips and 180ml TLR sealant, hidden rack and kickstand mounts
  • Weight: 13.73kg (Medium, with TLR sealant, no tubes)
TREK PROCALIBER 8 HARDTAIL MTB BIKE 2027 DESERT SAGE
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  • SKU: 5350890
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Product Description

The Trek Procaliber 8 is a fast and capable cross-country hardtail built for riders chasing personal bests, marathon adventures and race-day performance.

Its Alpha Platinum Aluminium frame delivers efficient power transfer and confident handling through technical terrain, while the 120mm RockShox Recon Gold RL fork keeps you composed over roots, rocks and rough singletrack. A SRAM Eagle 70 T-Type 12-speed drivetrain provides smooth, dependable shifting with a huge gear range for steep climbs and fast descents. Bontrager Kovee Tubeless Ready wheels, Maxxis Rekon Race tyres and Shimano hydraulic disc brakes complete a lightweight, trail-ready package that's equally at home on XC race courses and all-day trail rides.


Features

  • Race-Ready Aluminium Frame: Alpha Platinum Aluminium frame delivers responsive handling, efficient climbing and confident XC performance.
  • Modern T-Type Drivetrain: SRAM Eagle 70 T-Type 12-speed transmission provides precise shifting with a wide gear range for varied terrain.
  • Confident Trail Control: RockShox Recon Gold RL fork and Shimano hydraulic disc brakes keep you composed on technical trails.

Full Specification

  • Frame: Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12mm thru axle
  • Fork: RockShox Recon Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
  • Shifters: SRAM Eagle 70, 12-speed
  • Crankset: SRAM Eagle 70 T-Type DUB
  • Cassette: SRAM Eagle XS-1270 T-Type, 10-52T, 12-speed
  • Chain: SRAM Eagle 70 T-Type, 12-speed
  • Front Derailleur: None (1x drivetrain)
  • Rear Derailleur: SRAM Eagle 70 T-Type
  • Bottom Bracket: SRAM DUB MTB Wide, BSA threaded, 73mm
  • Pedals: VP-536 nylon platform pedals
  • Rims: Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
  • Front Hub: Shimano TC500 alloy, CentreLock, 110x15mm thru axle
  • Rear Hub: Shimano TC500-HG
  • Tyres: Maxxis Rekon Race, Tubeless Ready, EXO casing, folding bead, 60 TPI, 29x2.40"
  • Brakes: Shimano hydraulic disc brakes with MT4100 levers and MT410 callipers
  • Handlebars: Bontrager Comp alloy, 31.8mm clamp, 5mm rise, 720mm width (S-M); Bontrager Rhythm Comp alloy, 31.8mm clamp, 15mm rise, 750mm width (ML-XL)
  • Bar Tape: Trek Line Comp lock-on grips
  • Stem: Bontrager Comp, 50mm (S); Bontrager Elite, Blendr-compatible, 31.8mm clamp, 7° rise; 60mm (M-ML), 70mm (L), 80mm (XL)
  • Saddle: Verse Short with chromoly rails, 145mm width
  • Seatpost: Bontrager Line Dropper MaxFlow, internal routing; 100mm travel (S-M), 150mm (ML-L), 170mm (XL)
  • Accessories: Bontrager TLR rim strips and 180ml TLR sealant, hidden rack and kickstand mounts
  • Weight: 13.73kg (Medium, with TLR sealant, no tubes)

What wheel size does the Trek Procaliber 8 2027 - Desert Sage use?

The Trek Procaliber 8 2027 - Desert Sage uses 29.0" wheels.

What type of fork is fitted to the Trek Procaliber 8 2027 - Desert Sage?

The Trek Procaliber 8 2027 - Desert Sage is equipped with a 120mm RockShox Recon Gold fork.

How many gears does the Trek Procaliber 8 2027 - Desert Sage have?

The Trek Procaliber 8 2027 - Desert Sage features a SRAM Eagle 12‑speed drivetrain.

What brakes come on the Trek Procaliber 8 2027 - Desert Sage?

The Trek Procaliber 8 2027 - Desert Sage is fitted with Shimano hydraulic disc brakes.

What material is the frame of the Trek Procaliber 8 2027 - Desert Sage made from?

The Trek Procaliber 8 2027 - Desert Sage has an Alpha Platinum Aluminium frame made using low‑emission aluminium produced with renewable energy.

At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.

Bicycle Safety 

Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.

Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.

Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.

Follow road rules – Ride responsibly and remain aware of your surroundings.

Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)

Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.

Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.

Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.

Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.

Pedals - Ensure pedals are still tight and correctly fitted.

Routine Maintenance (Every Few Weeks)

Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.

Brake Safety – Check brake pads and responsiveness before each ride.

Tyre Inspection – Look for punctures and ensure correct air pressure.

Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.

Frame Safety Check – Look for any signs of damage or cracks.

Pedals - Ensure pedals are still tight and correctly fitted.

Professional Check-Ups

Have your bike serviced at least once a year, or more frequently if you ride often.

Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)

Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.

Avoid Overcharging – Unplug the charger once fully charged to extend battery life.

Pedals - Ensure pedals are still tight and correctly fitted.

Routine e-Bike Maintenance (Every Few Weeks)

Motor Inspection – Listen for unusual noises and ensure smooth operation.

Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.

Pedals - Ensure pedals are still tight and correctly fitted.

Seasonal e-Bike Maintenance

Check Electrical Components – Ensure wires and connections are clean and secure.

Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.

By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!

Read our full advice

If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk

 

SHIPPING COSTS

 

UK Delivery Information

Standard Delivery (Non-Bike Orders)

  • £5.99 flat rate for all non-bike orders

  • FREE delivery on orders over £999

Standard Delivery Bike Orders – UK Mainland

  • Bikes under £999: £12.99 delivery fee

  • Bikes over £999: FREE delivery

Highlands of Scotland 

Bike & E-bikes -  £46.99

Isle of Wight

Bike & E-bikes - £46.99

Industrial Scotland

Bike & E-bikes - £22.99

Grampian Region

Bike & E-bikes - £36.99

Scottish Offshores

Bike & E-bikes - £96.99

Northern Ireland

Bike & E-bikes - £111.99

Channel Islands

Bikes - £149.99

E-bikes - £199.99

Accessoires - £49.99

Isle of Man

Bike & E-bikes - £96.99

HIGHLANDS & ISLANDS SURCHARGE

When ordering large bulky items to isolated parts of the UK a postage surcharge may be applied to your order. If this is the case we will email you informing you of the surcharge and await for your confirmation prior to processing your order.

 INTERNATIONAL DELIVERIES 

Due to ever increasing postage costs and difficulties at Borders, we have unfortunately had to suspend International Deliveries.

If you have any queries, please contact our Customer Service Team on sales@allterraincycles.co.uk

 

CYCLESCHEME SURCHARGES

We deliver Cycle to Work bikes for a £35 charge to Mainland UK (Highlands and Islands £60)

We deliver Cycle to Work eBikes for a £59.99 charge to Mainland UK (Highlands and Islands £99.99)

 

STORE COLLECT // DELIVERY POLICY

STORE COLLECT

The Salts Mill store is open Monday to Saturday 9.00am to 5.30pm for collection of goods. You will be notified when your order is ready for collection via email or text.

Returns can be brought back to the store, and we will endeavour to resolve exchanges whenever possible on the day but this may not always be possible due to stock.

UK DELIVERY POLICY

Please note that we will need to wait 21 Days from dispatch before we can investigate the non-arrival of an item sent by Royal Mail Signed For.

All parcels must be signed for, unless you have previously given your consent, at the time of placing your order, for the consignment to be left somewhere without a signature.

Please note if your parcel is left at your request, without a signature, you forfeit your right to make any claim with ourselves or the courier in the event of loss or damage.

 

 

OUR RETURNS POLICY

  • Goods must be returned within 30 days of receipt.
  • Returned goods must be unused, in a saleable condition and in their original packaging with all labels still attached.
  • Goods must not be fitted or used.
  • All Goods must be accompanied with a Completed Returns Form.
  • Goods can be returned to the Store for a refund or exchange. A Completed Returns form must accompany all goods returned to the store; the refund however will be processed by the Mail Order Customer Service Staff and not by the Store Staff so the refund may not be immediate.

 

CLICK HERE TO DOWNLOAD OUR RETURNS FORM

 

FAULTY, DAMAGED OR BROKEN GOODS

All goods purchased from All Terrain Cycles are covered by a full warranty. The duration of this warranty is at least 1 year but some manufacturers offer extended warranty. Generally speaking, warranties cover manufacturing faults and defects but do not cover damage caused by crashing, abuse, general wear and tear etc. If you feel that the product you have purchased from All Terrain Cycles has developed a fault then please contact us before returning goods as many problems may be solved without you incurring postage costs. If the goods need to be returned:-

Goods must be clean, not covered in muck and oil. Goods must be accompanied with Completed Returns Form. Unfortunately postage costs cannot be covered but we will try our best to resolve any problem you have as it is in our interest to have a happy customer!

 

NEW ITEMS RETURNED BECAUSE WE HAVE POSTED THE WRONG ITEM

Believe it or not we do make mistakes on the odd occasion! If we have sent you a part which is different to what you have ordered we will be happy to make an exchange and pay your postage costs for returning the item.

  • Goods must be returned within 7 days of receipt.
  • Goods must be in original packaging.
  • Goods must not be fitted or used.
  • You will have to pay the cost to return the goods but we will then refund these costs to you once safely received.
  • Goods must be accompanied with a Completed Returns Form.
  • Please email us at sales@allterraincycles.co.uk before returning any goods

 

    FAST TRACK RETURN OPTION

    If you are in an extreme hurry to get your return processed, you can opt for an All Terrain Cycles Fast Track Return. With this option, you simply place a new order for the replacement item and we will charge and send the order out to you as normal. Then you can simply return the original item for a refund.

    You will be charged in full for the replacement goods when they are sent out. The Fast Track Return Option can only be processed on new items for exchange and does not apply to faulty, damaged or warranty inspection items.

    • The original items must be returned within 21 days of receipt.
    • Goods must be in original packaging.
    • Goods must not be fitted or used.
    • We will refund your card on receipt of the returned item.

      What wheel size does the Trek Procaliber 8 2027 - Desert Sage use?

      The Trek Procaliber 8 2027 - Desert Sage uses 29.0" wheels.

      What type of fork is fitted to the Trek Procaliber 8 2027 - Desert Sage?

      The Trek Procaliber 8 2027 - Desert Sage is equipped with a 120mm RockShox Recon Gold fork.

      How many gears does the Trek Procaliber 8 2027 - Desert Sage have?

      The Trek Procaliber 8 2027 - Desert Sage features a SRAM Eagle 12‑speed drivetrain.

      What brakes come on the Trek Procaliber 8 2027 - Desert Sage?

      The Trek Procaliber 8 2027 - Desert Sage is fitted with Shimano hydraulic disc brakes.

      What material is the frame of the Trek Procaliber 8 2027 - Desert Sage made from?

      The Trek Procaliber 8 2027 - Desert Sage has an Alpha Platinum Aluminium frame made using low‑emission aluminium produced with renewable energy.

      At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.

      Bicycle Safety 

      Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.

      Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.

      Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.

      Follow road rules – Ride responsibly and remain aware of your surroundings.

      Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)

      Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.

      Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.

      Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.

      Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.

      Pedals - Ensure pedals are still tight and correctly fitted.

      Routine Maintenance (Every Few Weeks)

      Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.

      Brake Safety – Check brake pads and responsiveness before each ride.

      Tyre Inspection – Look for punctures and ensure correct air pressure.

      Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.

      Frame Safety Check – Look for any signs of damage or cracks.

      Pedals - Ensure pedals are still tight and correctly fitted.

      Professional Check-Ups

      Have your bike serviced at least once a year, or more frequently if you ride often.

      Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)

      Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.

      Avoid Overcharging – Unplug the charger once fully charged to extend battery life.

      Pedals - Ensure pedals are still tight and correctly fitted.

      Routine e-Bike Maintenance (Every Few Weeks)

      Motor Inspection – Listen for unusual noises and ensure smooth operation.

      Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.

      Pedals - Ensure pedals are still tight and correctly fitted.

      Seasonal e-Bike Maintenance

      Check Electrical Components – Ensure wires and connections are clean and secure.

      Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.

      By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!

      Read our full advice

      If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk

       

      SHIPPING COSTS

       

      UK Delivery Information

      Standard Delivery (Non-Bike Orders)

      • £5.99 flat rate for all non-bike orders

      • FREE delivery on orders over £999

      Standard Delivery Bike Orders – UK Mainland

      • Bikes under £999: £12.99 delivery fee

      • Bikes over £999: FREE delivery

      Highlands of Scotland 

      Bike & E-bikes -  £46.99

      Isle of Wight

      Bike & E-bikes - £46.99

      Industrial Scotland

      Bike & E-bikes - £22.99

      Grampian Region

      Bike & E-bikes - £36.99

      Scottish Offshores

      Bike & E-bikes - £96.99

      Northern Ireland

      Bike & E-bikes - £111.99

      Channel Islands

      Bikes - £149.99

      E-bikes - £199.99

      Accessoires - £49.99

      Isle of Man

      Bike & E-bikes - £96.99

      HIGHLANDS & ISLANDS SURCHARGE

      When ordering large bulky items to isolated parts of the UK a postage surcharge may be applied to your order. If this is the case we will email you informing you of the surcharge and await for your confirmation prior to processing your order.

       INTERNATIONAL DELIVERIES 

      Due to ever increasing postage costs and difficulties at Borders, we have unfortunately had to suspend International Deliveries.

      If you have any queries, please contact our Customer Service Team on sales@allterraincycles.co.uk

       

      CYCLESCHEME SURCHARGES

      We deliver Cycle to Work bikes for a £35 charge to Mainland UK (Highlands and Islands £60)

      We deliver Cycle to Work eBikes for a £59.99 charge to Mainland UK (Highlands and Islands £99.99)

       

      STORE COLLECT // DELIVERY POLICY

      STORE COLLECT

      The Salts Mill store is open Monday to Saturday 9.00am to 5.30pm for collection of goods. You will be notified when your order is ready for collection via email or text.

      Returns can be brought back to the store, and we will endeavour to resolve exchanges whenever possible on the day but this may not always be possible due to stock.

      UK DELIVERY POLICY

      Please note that we will need to wait 21 Days from dispatch before we can investigate the non-arrival of an item sent by Royal Mail Signed For.

      All parcels must be signed for, unless you have previously given your consent, at the time of placing your order, for the consignment to be left somewhere without a signature.

      Please note if your parcel is left at your request, without a signature, you forfeit your right to make any claim with ourselves or the courier in the event of loss or damage.

       

       

      OUR RETURNS POLICY

      • Goods must be returned within 30 days of receipt.
      • Returned goods must be unused, in a saleable condition and in their original packaging with all labels still attached.
      • Goods must not be fitted or used.
      • All Goods must be accompanied with a Completed Returns Form.
      • Goods can be returned to the Store for a refund or exchange. A Completed Returns form must accompany all goods returned to the store; the refund however will be processed by the Mail Order Customer Service Staff and not by the Store Staff so the refund may not be immediate.

       

      CLICK HERE TO DOWNLOAD OUR RETURNS FORM

       

      FAULTY, DAMAGED OR BROKEN GOODS

      All goods purchased from All Terrain Cycles are covered by a full warranty. The duration of this warranty is at least 1 year but some manufacturers offer extended warranty. Generally speaking, warranties cover manufacturing faults and defects but do not cover damage caused by crashing, abuse, general wear and tear etc. If you feel that the product you have purchased from All Terrain Cycles has developed a fault then please contact us before returning goods as many problems may be solved without you incurring postage costs. If the goods need to be returned:-

      Goods must be clean, not covered in muck and oil. Goods must be accompanied with Completed Returns Form. Unfortunately postage costs cannot be covered but we will try our best to resolve any problem you have as it is in our interest to have a happy customer!

       

      NEW ITEMS RETURNED BECAUSE WE HAVE POSTED THE WRONG ITEM

      Believe it or not we do make mistakes on the odd occasion! If we have sent you a part which is different to what you have ordered we will be happy to make an exchange and pay your postage costs for returning the item.

      • Goods must be returned within 7 days of receipt.
      • Goods must be in original packaging.
      • Goods must not be fitted or used.
      • You will have to pay the cost to return the goods but we will then refund these costs to you once safely received.
      • Goods must be accompanied with a Completed Returns Form.
      • Please email us at sales@allterraincycles.co.uk before returning any goods

       

        FAST TRACK RETURN OPTION

        If you are in an extreme hurry to get your return processed, you can opt for an All Terrain Cycles Fast Track Return. With this option, you simply place a new order for the replacement item and we will charge and send the order out to you as normal. Then you can simply return the original item for a refund.

        You will be charged in full for the replacement goods when they are sent out. The Fast Track Return Option can only be processed on new items for exchange and does not apply to faulty, damaged or warranty inspection items.

        • The original items must be returned within 21 days of receipt.
        • Goods must be in original packaging.
        • Goods must not be fitted or used.
        • We will refund your card on receipt of the returned item.