Cannondale Topstone Carbon 3 GRX 1x Bike Smother, Sleeker, and More Thoughtfully Integrated Gravel riding doesn't have to feel rough. New gravel bikes are more versatile and capable than ever before so you can conquer the gnarliest gravel rides and trails. The Cannondale Topstone Carbon 3 GRX 1x Bike makes every ride feel better. Roads feel smoother, tires feel grippier, corners feel less sketchy, and the miles or kilometers all roll by a little easier. The carbon fiber frame has a King Pin rear suspension that is light, simple, and effective. A thru-axle pivot in the seat tube allows the rear triangle and seatpost to flex vertically, delivering up to 30mm of bump-smoothing travel. A Stash Port in the downtube allows for easy storage and the Stash Bag keeps all your essentials organized. The frame features internal cable routing, clearance for up to 52mm for the frame and 56mm for the rigid fork, dropper post compatibility, size-specific construction, and Out Front Steering Geometry. The GRX 1x version of the Cannondale Topstone Carbon 3 comes with a Shimano GRX 12-speed drivetrain. With a 40T chainring up front and a 10-51T cassette on the rear, you'll have all the gearing you need to crush your next bikepacking adventure or gravel grind. Shimano GRX 610 hydraulic disc brakes provide excellent stopping power so you can descend under control, even when your bike is fully geared out. WTB ST i25 TCS rims are paired with WTB Riddler TCS Light tires that can be set up tubeless for a smoother ride, better traction, and fewer flats. This bike will be your new favorite gravel grinder. Features Carbon fiber frame with internal cable routing, clearance for up to 52mm for the frame and 56mm for the rigid fork, dropper post compatibility, size-specific construction, and Out Front Steering Geometry King Pin rear suspension provides up to 30mm of bump-smoothing travel Stash Port in the downtube allows riders to store essentials in their Stash Bag Shimano GRX 12-speed drivetrain performs exceptionally well in all riding conditions Shimano GRX hydraulic disc brakes provide confidence-inspiring stopping power Tubeless-ready rims and tires for a smoother ride, better traction, and fewer flats SPECIFICATIONSFrame Topstone Carbon, King Pin Suspension System Fork Topstone Carbon, 55mm Out Front Offset, 12x100mm TAHeadset Acros IS52/40 ICRShifters Shimano GRX 610, 12-Speed Front Derailleur Nope! Rear Derailleur Shimano GRX 822, Shadow SGSCrankset Shimano GRX 610, 40TBottom Bracket-Chain Shimano M7100, 12-Speed Cassette Shimano SLX M7100, 10-51TBrakes Shimano GRX 610 Hydraulic Disc, RT70 160/160mm Rotors Wheelset WTB ST i25 TCS 28H Rims, Shimano TC500 12x100/12x142mm Hubs Tires WTB Riddler TCS Light, 700x45mm Tubeless Ready Handlebar Cannondale 3 Butted, 6061 Alloy, 16deg Flare Drop Stem Cannondale C1 Conceal, Alloy, 31. 8mm, -6degGrips/Bar Tape Cannondale Knurl Cork 2. 7mm Seatpost Cannondale 3 6061 Alloy, 27. 2mm Seatclamp Bolt-Type Saddle Selle Royal SRX Open Intended Use Gravel Note: Components are subject to change without notice. METRICINCHCannondale Topstone Size475154565860A: Seat Tube Length410446482518554590B: Effective Top Tube532543554564576593C: Stack554561579597615646D: Reach364373378383389397E: BB Height280280283283285285F: BB Drop797976767474G: Head Tube Length97101123142164196H: Head Tube Angle69. 9 deg70. 7 deg70. 7 deg70. 7 deg70. 7 deg70. 7 degI: Seat Tube Angle73. 1 deg73. 1 deg73. 1 deg73. 1 deg73. 1 deg73. 1 degJ: Standover Height716741772800831864K: Chainstay Length420420420420420420L: Wheelbase100910121026103610501069Size475154565860A: Seat Tube Length16. 117. 619. 020. 421. 823. 2B: Effective Top Tube20. 921. 421. 822. 222. 723. 3C: Stack21. 822. 122. 823. 524. 225. 4D: Reach14. 314. 714. 915. 115. 315. 6E: BB Height11. 011. 011. 111. 111. 211. 2F: BB Drop3. 13. 13. 03. 02. 92. 9G: Head Tube Length3. 84. 04. 85. 66. 57. 7H: Head Tube Angle69. 9 deg70. 7 deg70. 7 deg70. 7 deg70. 7 deg70. 7 degI: Seat Tube Angle73. 1 deg73. 1 deg73. 1 deg73. 1 deg73. 1 deg73. 1 degJ: Standover Height28. 229. 230. 431. 532. 734. 0K: Chainstay Length16. 516. 516. 516. 516. 516. 5L: Wheelbase39. 739. 840. 440. 841. 342. 1 | Cannondale | Topstone Carbon 3 Grx 1X Bike 2025 | Orange Slice | 58Cm