The 2025 GIANT PROPEL is made of Advanced-Grade Composite, which not only shows stronger aerodynamic effect in the wind tunnel test, but also stronger rigidity and lighter weight for more efficient performance. In addition, the new hidden alignment method, the pipeline will be beautiful collection at the same time to consider the convenience of maintenance and adjustment, avoiding the complex and difficult to maintain the internal alignment method, the new generation of PROPEL truly achieve the perfect balance of simplicity and easy to adjust.
Features.
New Shimano ULTEGRA Di2 electronic derailleur assembly.
New Giant SLR 1 50 ultra-lightweight carbon fiber wheelset.
Giant Power Pro power meter
Frame | Advanced-Grade Composite, 12x142mm thru-axle, disc |
Fork | Advanced SL-Grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc |
Shock | N/A |
Handlebar | Giant Contact SLR Aero XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm |
Grips | Stratus Lite 2.0 |
Stem | Giant Contact SL Aero XS:80mm, S:90mm, M:100mm, M/L:110mm, L:110mm, XL:120mm |
Seatpost | Giant Vector, composite, -5/+15mm offset |
Saddle | Giant Fleet SL |
Pedals | N/A |
Shifters | Shimano Ultegra Di2 ST-R8170 |
Front Derailleur | Shimano Ultegra Di2 ST-R8170 |
Rear Derailleur | Shimano Ultegra Di2 ST-R8170 |
Brakes | Shimano Ultegra Di2 hydraulic, Shimano RT-CL800 rotors [F]160mm, [R]140mm |
Brake Levers | Shimano Ultegra Di2 hydraulic |
Cassette | Shimano Ultegra, 12-speed, 11x30 |
Chain | Shimano Ultegra, CN-M8100 |
Crankset | Shimano Ultegra, 36/52, with Giant Power Pro power meter XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm |
Bottom Bracket | Shimano, press fit |
Rims | Giant SLR 1 50 Carbon Disc WheelSystem, [F]50mm, [R]50mm |
Hubs | [F] Giant Low Friction Hub, CenterLock, [R] Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle |
Spokes | Sapim |
Tires | CADEX Race, tubeless, 700x25c (26.5mm), folding |
Extras | Computer mount, water bottle cages, tubeless prepared, 30mm max tyre size |