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The 2021 Cannondale Topstone 4 is an aluminum frame gravel bike with upper mid-range components and mechanical disc brakes.

2021 Cannondale Topstone 4
MSRP$1,250
Online Price
$1

At

CategoryGravel
FrameAluminum
ForkCarbon
Wheel Size700c
Wheel MaterialAluminum
Brake TypeMechanical Disc
GroupsetmicroSHIFT Advent X
Drivetrain1 × 10
Gear Range

Cannondale Topstone 4

31 mph
SeatpostRigid
Brand Sitecannondale.com
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Topstone 4

Geometry

Specs
Frame

SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts

Fork

BallisTec Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle

Bottom Bracket

Cartridge, square taper

Headset

Integrated, 1-1/8" - 1-1/4"

Stem

Cannondale 3, 6061 Alloy, 31.8, 7°

Handlebar

Cannondale 3, butted 6061 alloy, 16 deg flare drop

Saddle

Cannondale Stage CX

Seatpost

Cannondale 4, 6061 Alloy, 27.2 x 350mm

Grips

Cannondale Bar Tape, 3.5mm

Groupset
Rear Derailleur

microSHIFT Advent X

Crank

Prowheel, 40T

Shifters

microSHIFT Advent X, 10-speed

Cassette

microSHIFT, 11-48T, 10-speed

Chain

KMC X10, 10-speed

Brakes

Promax Render R mechanical disc, 160/160mm rotors

Brake Levers

microSHIFT Advent X

Wheels
Rims

RD 2.0, 28h

Spokes

Stainless Steel, 14g

Front Hub

Formula alloy, 12x100mm

Rear Hub

Formula alloy, 12x142mm

Tires

WTB Riddler Comp, 700 x 37c