Cannondale Topstone Carbon 4 Bike

$2,825.00
Color: Smoke Black
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With the grip and comfort of Kingpin suspension and lightweight durability of a carbon frameset nothing is off-limits—from dirt roads to singletrack trails—on the Cannondale Topstone Carbon 4 bike.

Features

  • Lightweight Topstone carbon frameset with Proportional Response construction and Kingpin suspension
  • SmartSense compatible with integrated Cannondale App connectivity
  • Gravel-specific Shimano GRX 600/400 10-speed shifting
  • DirectLine internal cable routing; flat-mount disc
  • Includes gear, fender and bottle mounts; removable fender bridge
  • 27.2 mm dropper post-ready
  • Specs and images are subject to change

Imported.

This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • Free flat tire repairs (labor only; parts not included)
  • 20% off shop services
More about our free adjustments:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

View the Cannondale Topstone Product LineView all Cannondale Gravel Bikes

Technical Specs

Best Use

Gravel Cycling

Frame

Topstone carbon

Fork

Carbon with 1-1/8 to 1-1/2 in. steerer, 55 mm OutFront offset

Bike Suspension

Rear Suspension

Crankset

Shimano GRX 600, 46/30T

Bottom Bracket

Shimano BSA 68 mm threaded

Shifters

Shimano GRX 400, 10-speed

Front Derailleur

Shimano GRX 400, braze-on

Rear Derailleur

Shimano GRX 400, Shadow RD+

Rear Cogs

Shimano HG500 10-speed, 11-34T

Number of Gears

20 gear(s)

Brake Type

Hydraulic Disc Brake

Brakes

Shimano GRX 400 hydraulic disc, 160/160 mm RT54 rotors

Brake Levers

Shimano GRX 400 hydraulic disc

Rims

WTB ST i23 TCS, 700c, 28-hole, tubeless ready

Front Hub

Formula cartridge bearing, 12 x 100 mm thru axle, Center Lock disc

Rear Hub

Formula cartridge bearing, 12 x 142 mm thru axle, Center Lock disc

Wheel Size

700c

Tires

WTB Riddler Comp 700c x 45 mm

Tire Width

45 millimeters

Handlebar Shape

Drop Bar

Handlebar

Cannondale 3 butted 6061 alloy, 16 deg. flare drop

Stem

Cannondale 3 6061 alloy, 31.8 mm, 7 deg.

Seat Post

Cannondale 3 6061 alloy, 27.2 x 350 mm

Saddle

Fizik Aliante Delta, S-alloy rails

Pedals

Not included

Headset

1-1/8 to 1-1/2 in.

Chain

KMC X10, 10-speed

Weight

20 lbs. 13 oz.

Bike Weight

Bike weight is based on median size, as sold, or the average of two median sizes.

Gender

Unisex

Size Chart

XSSMLXL
Height Range4'10''-5'5''5'3''-5'9''5'7''-6'1''5'10''-6'4''6'0''-6'8''
Reach37.137.738.339.039.7
Stack53.455.157.460.062.4
Effective Top Tube53.354.455.757.258.7
Seat Tube Center-Top41.045.850.555.359.0
Standover Height70.474.578.582.385.7
Head Tube Length10.512.315.017.720.5
Head Tube Angle (degrees)70.071.271.271.271.2
Seat Tube Angle (degrees)71.471.671.871.972.1
Bottom Bracket Height27.828.328.528.528.8
Wheelbase101.0101.3102.9104.4106.1
Chainstay42.042.042.042.042.0
Fork Offset5.55.55.55.55.5

Sizing Notes

Measurements are stated in centimeters unless otherwise indicated.

How we measure bikes

  1. Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
  4. Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
  5. Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.

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