Nothing is impassable

The best dual-suspension gravel bike for rugged dirt roads and singletrack trails. With the Kingpin system and Lefty fork, nothing is off-limits.

Where it thrives

Gravel and Dirt Roads, Rough Pavement, Trails

What it’s built for

Gravel riding, back road exploring, bike packing and off-road adventures

Highlights

• Lightweight Topstone Carbon frame with Kingpin suspension / Lefty Oliver Carbon gravel suspension fork, 30mm travel
• SRAM Force eTap electronic 12-speed group / SAVE Carbon seatpost
• HollowGram G-S 27 Carbon wheels

Specs

Details

• PlatformTopstone Carbon
• Model NameTopstone Carbon 1 Lefty
• Model CodeC15102U

Frameset

• FrameTopstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, multiple gear/bottle mounts
• ForkLefty Oliver Carbon, 30mm travel, lockout, Chamber Damper w/ All-Over tune, ISO High-Ride air spring, tapered steerer, 700c, 55mm offset
• HeadsetIntegrated, Carbon, 1-1/8″ – 1-1/2″

Drivetrain

• Rear DerailleurSRAM Force eTap AXS XPLR
• ShiftersSRAM Force eTap AXS, 12-speed
• ChainSRAM Force, 12-speed
• CrankSRAM Force Direct Mount, 40T
• Rear CogsSRAM XG-1271 XPLR, 10-44, 12-speed
• Bottom BracketSRAM DUB BSA Road 68 Wide

Brakes

• BrakesSRAM Force eTap AXS hydraulic disc, 160/160mm CenterLine 6-bolt rotors
• Brake LeversSRAM Force eTap AXS

Wheels

• RimsHollowGram G-S 27 Carbon, 700c, 27mm internal width, 21mm deep, 28h, hookless, tubeless compatible
• SpokesFormula Grand Forza, double butted
• TiresWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)
• Tire Size44
• Wheel Size700c
• Hubs(F) HollowGram, sealed bearing 12x100mm, 6 bolt / (R) HollowGram 12x142mm w/ DT Swiss 350 internals, 6 bolt
• Front TireWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)
• Rear TireWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)

Components

• HandlebarCannondale 2 ShortDrop, 7050 alloy, 12 deg flare drop
• StemCannondale 1, 7050 Alloy, -7
• GripsFizik Solocush Soft, 3mm
• SaddleFizik Terra Argo X3, kium rails
• SeatpostSAVE Carbon, 27.2, 350mm (XS-L), 400mm (XL)

Connectivity

• Wheel SensorCannondale Wheel Sensor

Extra

• Extra 1StrapRack toolholder