GIANT FATHOM E+ HARDTAIL eMTB BIKE 2026 DEEP LAKE

Take control of the trail with this fun new hardtail E-bike. 

Now you can climb with greater ease and ride farther—the perfect formula for a great day on the trail.

Key Features

• Smooth power delivery: The new SyncDrive Sport motor delivers smooth, instantaneous power with 75Nm of torque to help riders climb steep hills and extend their trail riding capabilities.
• Balanced, confident handling: Lightweight aluminum frame with trail-friendly geometry, 130mm of front suspension travel, and stable 29-inch wheels with tubeless tires puts you in control even in the toughest off-road terrain.
• Long-lasting battery: Integrated EnergyPak Smart with 750Wh of capacity is easy to charge up to 80 percent in 2.5 hours with Giant's 4A Fast Charger.
  

Full Specification

• Frame: ALUXX aluminum, Overdrive 1.125" - 1.8" head tube, 148x12mm Thru-axle, integrated KSA40 kickstand mount
• Fork: SR Suntour XCR34 2CR coil boost 130mm travel 15x110mm AH axle
• Motor: Giant SyncDrive Pro 2 85Nm PedalPlus 6-Sensor technology
• Controller: Giant RideControl Dash 2, Smart Assist automatic mode, 5 support levels
• Battery: Giant EnergyPak Smart 750Wh
• Shifters: Shimano Cues
• Crankset: Forged aluminium direct-mount chainring steel 36T, Forged aluminium crank arms
• Cassette: Shimano Cues11-48T 10-speed
• Chain: Shimano Linkglide CN-LG500
• Front Derailleur: NA
• Rear Derailleur: Shimano Cues 10-speed
• Bottom Bracket: Giant Integrated
• Pedals: Anti-slip Platform
• Rims: Giant XCT 29 Tubeless Ready 25mm e-bike optimized
• Front Hub: Giant eTracker boost 6-Bolt 15x110mm
• Rear Hub: Giant eTracker boost 6-Bolt 12x148mm
• Tyres: Maxxis Rekon 29x2.4" foldable, 60tpi, EXO, Tubeless Ready
• Brakes: Shimano MT200, hydraulic disc,180mm [F/R]
• Handlebars: Giant Connect TR Riser 31.8x750mm [S], 780mm [M-XXL]
• Stem: Giant Contact
• Saddle: Giant Ergo Contact Trail, ESG
• Seatpost: Giant Contact Switch Core dropper seatpost, 100mm travel
• Extras: Giant EnergyPak smart charger 4A,HMI 2.0 including E locking and Apple Find My
• Weight: Approx. 19.5Kg 
  

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

We offer several delivery options:

Store Collection: Pick up your order at our Salts Mill store, located at BD17 7EH.

Standard Delivery We partner with APC Euro-Tran for deliveries. Once your bike is dispatched, it typically arrives within 1 to 3 working days for Mainland UK. All bikes are fully built, checked, set up and then packed back down into a standard size bike box. Please note that electric bikes will be shipped in two boxes due to weight and size restrictions. We recommend our premium delivery service for electric bikes.

Premium Delivery We partner with DX's two-person delivery team. After dispatch, your bike usually arrives within 2 to 4 working days for Mainland UK. DX will contact you before delivery to schedule a convenient delivery date. All bikes come fully built, checked, set up and with both wheels attached. Trek bikes can only be sent via our premium delivery service.

Check out our video for more information on how your bike is assembled and packaged. 

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