GIANT PROPEL ADVANCED PRO DURA ACE ROAD BIKE 2027 SUPERNOVA GREY

Giant Propel Advanced Pro-DA aero carbon road bike with Shimano Dura-Ace Di2 electronic shifting and deep carbon wheels built for elite race speed.

Engineered for competitive cyclists demanding maximum performance, the Giant Propel Advanced Pro combines cutting-edge aerodynamic design with premium components. The advanced carbon frame geometry minimises drag whilst maintaining responsive handling through technical race courses. Shimano Dura-Ace Di2 electronic shifting delivers precise, instantaneous gear changes under pressure, whilst the deep-section carbon wheelset reduces rotational weight and enhances acceleration. Finished in Supernova Grey, this 2027 model represents the pinnacle of road racing technology—designed to convert power into speed with uncompromising efficiency.

Key Features

• Advanced SL Aero Carbon Frameset: Giant’s flagship composite frame maximises stiffness, minimises weight and improves aerodynamic efficiency.
• Shimano Dura-Ace Di2 Electronic Drivetrain: Race-proven electronic shifting provides lightning-fast gear changes and uncompromising reliability.
• Integrated Aero Performance System: Integrated cockpit, carbon wheels and CADEX Aero tyres work together to minimise drag and maximise speed.

Full Specification

• Frame: Advanced-grade composite, 12x142mm thru-axle, disc
• Fork: Advanced SL-grade composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
• Shifters: Shimano Dura-Ace Di2 ST-R9270
• Front Derailleur: Shimano Dura-Ace Di2 FD-R9250
• Rear Derailleur: Shimano Dura-Ace Di2 RD-R9250
• Crankset: Shimano Dura-Ace
• Crank Length: XS/S: 165mm, M/M-L: 170mm, L/XL: 172.5mm
• Cassette: Not specified by manufacturer
• Chain: Shimano Dura-Ace CN-M9100
• Bottom Bracket: Shimano press-fit
• Pedals: Not supplied
• Brakes: Shimano Dura-Ace hydraulic disc
• Brake Rotors: Shimano RT-CL900, 160mm front / 140mm rear
• Rims: Giant SLR 0 50 Carbon WheelSystem, 50mm depth
• Front Hub: Giant Aero Hub, CenterLock, 12x100mm thru-axle
• Rear Hub: Giant Aero Hub, 40T ratchet driver, CenterLock, 12x142mm thru-axle
• Spokes: Aero carbon
• Tyres: CADEX Aero tubeless, 700x28c
• Handlebars: Giant Contact SLR 0 Aero Integrated
• Handlebar Width: XS/S: 380mm, M/M-L: 400mm, L/XL: 420mm
• Handlebar Tape: Stratus Lite 2.0
• Headset: Integrated OverDrive Aero
• Stem: Giant Contact SLR 0 Aero Integrated
• Stem Length: XS: 80mm, S: 90mm, M: 100mm, M/L: 110mm, L: 110mm, XL: 120mm
• Saddle: Giant Fleet SL
• Seatpost: Giant Vector composite, -5/+15mm offset
• Extras: Computer mount, water bottle cages, tubeless prepared
• Maximum Tyre Clearance: 32mm
• Weight: Not specified by manufacturer

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