2025 Cannondale Topstone Carbon 3 L – Gravel Bike

$3,325.00

Nothing is impassable

The best gravel bike for anything from dirt roads to singletrack trails. With the grip and comfort of the Kingpin suspension, 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 frameset with Kingpin suspension / SmartSense Light equipped
  • Shimano GRX 820/600 12-speed gravel group
  • Shimano GRX 600/400 hydraulic brakes
  • WTB ST i23 TCS rims with 700x45c Maxxis Riddler tires

Nothing is Impassable

a person stands next to a bicyclea person stands next to a bicycle
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

PLAY FILM
PLAY FILM
a close-up of a person wearing a helmeta close-up of a person wearing a helmet
a person holding a lighta person holding a light
Ride Brilliantly
On every ride, SmartSense has your back. SmartSense’s system of intelligent lights (and optional rear-facing radar) increases your visibility out on the open road and makes it easy to ride smart.

Features

a group of people riding bikesa group of people riding bikes
a man and woman on a bicyclea man and woman on a bicycle
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.
a group of people riding bikesa group of people riding bikes
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

PLAY FILM
PLAY FILM

Specs

Details

  • Platform

  • Model Name

    Topstone Carbon 3 L
  • Model Code

    C15303U

Frameset

  • Frame

    Topstone Carbon, Kingpin suspension system, SmartSense equipped, 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

    Topstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, triple bottle/gear mounts, fender mounts
  • Headset

    Integrated, 1-1/8″ – 1.5″

Drivetrain

  • Rear Derailleur

    Shimano GRX 820, Shadow RD+
  • Front Derailleur

    Shimano GRX 820, braze-on
  • Shifters

    Shimano GRX 600, 12-speed
  • Chain

    Shimano HG M7100, 12-speed
  • Crank

    Shimano GRX 610, 46/30
  • Rear Cogs

    Shimano HG R7100, 11-34, 12-speed
  • Bottom Bracket

    Shimano BSA 68

Brakes

  • Brakes

    Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotors
  • Brake Levers

    Shimano GRX 600 hydraulic disc

Wheels

  • Rims

    WTB ST i23 TCS, 700c, 28h, tubeless ready
  • Spokes

    Stainless Steel, 14g
  • Tire Size

    45
  • Wheel Size

    700c
  • Hubs

    (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
  • Tires

    WTB Riddler TCS Light, 700x45c, tubeless ready
  • Front Tire

    WTB Riddler TCS Light, 700x45c, tubeless ready
  • Rear Tire

    WTB Riddler TCS Light, 700x45c, tubeless ready

Components

  • Handlebar

    Cannondale 3, butted 6061 Alloy, 16 deg flare drop
  • Stem

    Cannondale 3, 6061 Alloy, 31.8, 7°
  • Grips

    Cannondale Bar Tape, 3.5mm
  • Saddle

    Fizik Aliante R7
  • Seatpost

    Cannondale 3 SmartSense, 6061 Alloy, 27.2x350mm

Connectivity

  • Wheel Sensor

    Cannondale Wheel Sensor

Extra

  • Extra 1

    SmartSense with Lights

Safety Information

  • Ingestion Hazard

    WARNING – INGESTION HAZARD: This product contains a button cell or coin battery. DEATH or serious injury can occur if ingested. A swallowed button cell or coin battery can cause Internal Chemical Burns in as little as 2 hours. KEEP new and used batteries OUT OF REACH OF CHILDREN. Seek immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.

Please note that, based on component availability and other factors, specifications are subject to change without notice.

Geometry

Details
SKU: 1002737 Category: