Topstone Carbon 2 Lefty

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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 gravel suspension fork, 30mm travel
Shimano GRX 800/600 11-speed gravel group / DownLow dropper post
WTB KOM Light rims

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

Lefty Oliver

The ultimate gravel suspension fork. Unique single-sided design and needle-bearing internals deliver unmatched steering precision and smoothness for unreal control and comfort.

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

Platform
Topstone Carbon
Model Name
Topstone Carbon 2 Lefty
Model Code
C15202U

Frameset

Frame
Topstone 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
Fork
Lefty Oliver, 30mm travel, lockout, Chamber Damper w/ All-Over tune, ISO High-Ride air spring, tapered steerer, 700c, 55mm offset
Headset
Integrated, Carbon, 1-1/8" - 1-1/2"

Drivetrain

Rear Derailleur
Shimano GRX 810, Shadow RD+
Shifters
Shimano GRX 800, 11-speed
Chain
Shimano HG701, 11-speed
Crank
Shimano GRX 600, 40T (Europe/UK - FSA Gossamer Pro Modular AGX+, 40T)
Rear Cogs
Shimano SLX, 11-42, 11-speed
Bottom Bracket
Shimano BSA 68

Brakes

Brakes
Shimano GRX 800 hydraulic disc, 160/160mm RT76 rotors
Brake Levers
Shimano GRX 800 hydraulic disc

Wheels

Rims
WTB KOM Light i23 TCS, 700c, 28h, tubeless ready
Spokes
Stainless Steel, 14g
Tire Size
44
Wheel Size
700c
Hubs
(F) Lefty 50, 6-Bolt / (R) Formula cartridge bearing, 6-Bolt, 12x142mm
Tires
WTB Raddler TCS Light, 700x44c, tubeless ready (Europe/UK - Vittoria Mezcal III 700x44c ANT tubeless compatible)
Front Tire
WTB Raddler TCS Light, 700x44c, tubeless ready (Europe/UK - Vittoria Mezcal III 700x44c ANT tubeless compatible)
Rear Tire
WTB Raddler TCS Light, 700x44c, tubeless ready (Europe/UK - Vittoria Mezcal III 700x44c ANT tubeless compatible)

Components

Handlebar
Cannondale 2 ShortDrop, 7050 alloy, 12 deg flare drop
Stem
Cannondale 2, 6061 Alloy, 31.8, 7°
Grips
Fizik Solocush Soft, 3mm
Saddle
Fizik Terra Argo X5, S-alloy rails
Seatpost
Cannondale DownLow Dropper Post, 27.2, shifter-integrated lever, travel - 60mm XS-S / 80mm M / 100mm L-XL