MSRP | ($2,251) | $2,450 | $1,699 |
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Where to Buy | — $1 At | — $1 At | — $1 At |
Category | Endurance | Endurance | Gravel |
Weight | 19.4 lbs | 20.0 lbs | 22.1 lbs |
Carbon | Carbon | Aluminum | |
Fork | Carbon | Carbon | Carbon |
Wheels | Aluminum | Aluminum | Aluminum |
Wheel Size | 700c | 700c | 700c |
Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
Groupset | Ultegra, 105 | 105, Shimano | GRX 800, GRX 600 |
Drivetrain | 2 × 11 | 2 × 11 | 2 × 11 |
Brand Site | |||
Summary | The CUBE ATTAIN GTC SL, Giant Defy Advanced 2, and Scott Speedster Gravel 20 are all road bikes with hydraulic disc brakes. The ATTAIN GTC SL has better components, while the Speedster Gravel 20 has an aluminum frame. |
Based on frame geometry and build specs.
Frame | GTC Monocoque Twin Mold Technology, Flat Mount Disc, Road Comfort Geometry, AXH, 12x142mm Color: Carbon’n’white | Advanced-Grade Composite, disc Color: Carbon’n’white | Speedster Gravel Disc / D.Butted 6061 Alloy Endurance geometry / Integrated Headtube Color: Carbon’n’white |
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Fork | CUBE CSL Race Disc, Full Carbon, Flat Mount, 1 1/8" - 1 1/4" Tapered, 12x100mm | Advanced-Grade Composite, full-composite OverDrive steerer, disc | Speedster Gravel Carbon Disc 1 1/8"-1 1/4" Carbon steerer |
Shock | N/A | ||
Bottom Bracket | Shimano, press fit | Shimano BB-RS500 | |
Headset | VP, Top Integrated 1 1/8", Bottom Integrated 1 1/4" | Integrated Steel Cup tapered | |
Stem | Newmen Evolution 318.4, 31.8mm | Giant Contact | JD ST123A Alloy 1 1/8" / four Bolt 31.8mm |
Handlebar | Newmen Evolution Wing Bar | Giant Contact SL D-Fuse | Syncros Creston 2.0 Flare Alloy 31.8mm |
Saddle | Natural Fit Nuance Lite | Contact (neutral) | Syncros Tofino Regular 2.5 |
Seatpost | Newmen Evolution, 27.2mm | Giant D-Fuse, composite | Syncros RR2.5 27.2/300mm |
Pedals | N/A |
Rear Derailleur | Shimano Ultegra RD-R8000-DGS, 11-Speed | Shimano 105 | Shimano GRX RD-RX810 22 Speed |
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Front Derailleur | Shimano Ultegra FD-R8000-BM, 31.8mm | Shimano 105 | Shimano GRX FD-RX810-F |
Crank | Shimano Ultegra FC-R8000, Hollowtech II, 50x34T, 170mm (50/53cm), 172.5mm (56/58cm), 175mm (60/62cm) | Shimano FC-R510, 34/50 | Shimano GRX FC-RX600-11 46x30T |
Shifters | Shimano 105 ST-R7020 | Shimano 105 | Shimano GRX ST-RX600 Disc 22 Speed |
Cassette | Shimano CS-R7000, 11-32T | Shimano 105, 11x34 | Shimano CS-HG700 11-34 |
Chain | Shimano CN-HG601-11 | KMC X11EL-1 | KMC X11 |
Brakes | Shimano 105 BR-R7070, Hydr. Disc Brake, Flat Mount (160/160) | Shimano 105 hydraulic | Shimano BR-RX400 Hyd Disc 160/F and 160/R SM-RT70 CL rotor |
Brake Levers | Shimano 105 |
Rims | Fulcrum Racing 77 DB | Giant P-R2 Disc wheelset | Syncros Race 24 Disc 28 Front / 28 Rear |
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Spokes | Giant P-R2 Disc wheelset | SHA-DAR Black 2mm | |
Front Hub | Giant P-R2 Disc wheelset, 12mm thru-axle | Formula Team CL Disc 28 H | |
Rear Hub | Giant P-R2 Disc wheelset, 12mm thru-axle | Formula Team CL Disc 28 H | |
Tires | Conti Grand Sport Race SL, 28-622 | Giant Gavia Fondo 1, tubeless, 700x32, folding | Schwalbe G-One Allround 700x35C |