Cannondale Topstone Carbon 4 CUES 1x Bike Carbon performance, gravel-ready from the start. The Topstone Carbon 4 CUES 1x delivers everything that makes the Topstone platform great - King Pin rear suspension, Out Front geometry, Proportional Response carbon construction, Stash Port downtube storage, and 27. 2mm dropper post compatibility - at an accessible entry point. Shimano's CUES U6000 1x11-speed group brings durable, wide-range Link Glide shifting and reliable hydraulic disc braking in a package built for the long haul. WTB ST i25 tubeless-ready rims, Shimano Centerlock hubs, and WTB Riddler 700x45c tubeless-ready tires roll confidently across gravel, backroads, and whatever else you point this thing at. Features King Pin rear suspension - Cannondale's lightweight, maintenance-free gravel suspension delivers up to 30mm of vertical travel through a thru-axle pivot in the seat tube, smoothing rough terrain without adding weight or mechanical complexity Topstone carbon frame with Proportional Response construction - carbon layup and King Pin suspension individually tuned by frame size; 27. 2mm dropper post ready (internally routed), UDH compatible, Stash Port downtube storage, and removable fender bridge; backed by Cannondale's Lifetime Warranty Out Front steering geometry - 55mm fork offset paired with a slack head angle for confident, stable handling on loose terrain while keeping the steering light and responsive Shimano CUES U6000 1x11-speed drivetrain with Link Glide chain and cassette for extended component life - durable, reliable shifting across an 11-50T gear range, purpose-built for varied terrain Shimano CUES RS405 hydraulic disc brakes with 160mm RT30 Centerlock rotors front and rear for powerful, consistent stopping in all conditions WTB ST i25 TCS tubeless-ready wheelset - 28H, Shimano TC500 Centerlock hubs, paired with WTB Riddler TCS Light 700x45c tubeless-ready tires Cannondale 3 flared alloy handlebar with 16deg of flare and 120mm drop for comfortable, secure hand positions across long days in the rough stuff Generous tire clearance up to 52mm in the frame, 56mm in the fork, with triple bottle and gear mounts on the fork for serious load-carrying capability SPECIFICATIONSFrame Topstone Carbon, King Pin Suspension, Proportional Response Construction, Downtube Stash Port, Internal Cable Routing, 12x142mm Thru-Axle, 27. 2mm Dropper Post Ready, UDH, BSA 68mm Threaded BB, Flat Mount Disc, Removable Fender Bridge, Multiple Gear/Bottle Mounts Fork Topstone Carbon, 1-1/8" to 1. 5" Steerer, 55mm Out Front Offset, Flat Mount Disc, Internal Routing, 12x100mm Thru-Axle, Triple Bottle/Gear Mounts, Fender Mounts Headset Acros IS52/40 ICRFront Derailleur N/ARear Derailleur Shimano CUES U6000, Shadow RD+, 11-Speed Shifters Shimano CUES U6030, 11-Speed Crankset Shimano CUES FC-U6030, 40T, 165mm (47cm), 170mm (51cm), 172. 5mm (54-56cm), 175mm (58-61cm)Bottom Bracket Shimano BSA 68Chain Shimano LG500, Link Glide, 11-Speed Cassette Shimano CUES LG400, 11-50T, 11-Speed Brakes Shimano CUES RS405 Hydraulic Disc Rotors Shimano RT30, 160/160mm, Centerlock Wheelset WTB ST i25 TCS, 28H, Tubeless Ready Hubs Shimano TC500, Centerlock, 12x100mm (Front) / Shimano TC500, Centerlock, 12x142mm (Rear)Spokes Stainless Steel, 14g Tires WTB Riddler TCS Light, 700x45c, Tubeless Ready Tire Clearance52mm 1x / 50mm 2x (Frame), 56mm (Fork)Handlebar Cannondale 3, Butted 6061 Alloy, 16deg Flare, 120mm Drop, 400mm (47cm), 420mm (51-54cm), 440mm (56-61cm)Stem Cannondale 3, 6061 Alloy, 31. 8mm, 7deg, 70mm (47-51cm), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)Grips/Bar Tape Cannondale Knurl Cork, 2. 7mm Seatpost Cannondale 3, 6061 Alloy, 27. 2x350mm Saddle Selle Royal SRX Open, 148mm Accessories Large Stash Bag Downtube Storage Bag, Tubeless Valves Intended Use Gravel, Bikepacking, Adventure, Mixed-Surface Note: Components are subject to change without notice. METRICINCHCannondale Topstone Carbon 4Size47. 051. 054. 056. 058. 061. 0A: Seat Tube Length410446482518554590B: Effective Top Tube532543554564576593C: Stack554561579597615646D: Reach364373378383389397F: 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: Wheelbase100910121026103610501069Cannondale Topstone Carbon 4Size47. 051. 054. 056. 058. 061. 0A: 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. 6F: 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