Description
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
Nothing is Impassable
Kingpin Suspension
Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech – Kingpin is the maintenance-free, lightweight answer to your prayers.
Get to Know Kingpin Suspension
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Lefty Goes Big
The smoothest, most-precise handling gravel fork in the world. With 30mm of bob-free travel and room for 700x45mm tires, Lefty Oliver lives to push the boundaries with comfort and control.
Features
Load Up. Roll Out.
With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.
Corner like a Boss
Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that’s serenely stable in the chop, and light & nimble everywhere else.
Topstone Carbon Explained
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Specs
DETAILS
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Platform
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Model NameTopstone Carbon 1 Lefty
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Model CodeC15102U
FRAMESET
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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
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ForkLefty Oliver Carbon, 30mm travel, lockout, Chamber Damper w/ All-Over tune, ISO High-Ride air spring, tapered steerer, 700c, 55mm offset
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HeadsetIntegrated, Carbon, 1-1/8″ – 1-1/2″
DRIVETRAIN
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Rear DerailleurSRAM Force eTap AXS XPLR
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ShiftersSRAM Force eTap AXS, 12-speed
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ChainSRAM Force, 12-speed
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CrankSRAM Force Direct Mount, 40T
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Rear CogsSRAM XG-1271 XPLR, 10-44, 12-speed
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Bottom BracketSRAM DUB BSA Road 68 Wide
BRAKES
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BrakesSRAM Force eTap AXS hydraulic disc, 160/160mm CenterLine 6-bolt rotors
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Brake LeversSRAM Force eTap AXS
WHEELS
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RimsHollowGram G-S 27 Carbon, 700c, 27mm internal width, 21mm deep, 28h, hookless, tubeless compatible
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SpokesFormula Grand Forza, double butted
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TiresWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)
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Tire Size44
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Wheel Size700c
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Hubs(F) HollowGram, sealed bearing 12x100mm, 6 bolt / (R) HollowGram 12x142mm w/ DT Swiss 350 internals, 6 bolt
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Front TireWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)
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Rear TireWTB Raddler TCS Light, 700 x 44c, tubeless ready (Europe/UK – Vittoria Mezcal III 700 x 44c ANT tubeless compatible)
COMPONENTS
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HandlebarCannondale 2 ShortDrop, 7050 alloy, 12 deg flare drop
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StemCannondale 1, 7050 Alloy, -7°
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GripsFizik Solocush Soft, 3mm
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SaddleFizik Terra Argo X3, kium rails
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SeatpostSAVE Carbon, 27.2, 350mm (XS-L), 400mm (XL)
CONNECTIVITY
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Wheel SensorCannondale Wheel Sensor
EXTRA
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Extra 1StrapRack toolholder
PLEASE NOTE THAT, BASED ON COMPONENT AVAILABILITY AND OTHER FACTORS, SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
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