2021 Cannondale Topstone 105

An aluminum frame gravel bike with upper mid-range components and hydraulic disc brakes, priced near the low end of the Topstone model range. Compare the full range

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2021 Cannondale Topstone 105
MSRP$1,750
Weight21.8 lbs
FrameAluminum
ForkCarbon
Wheels700c
Tires37c
Drivetrain2 × 11
Groupset105, FSA
BrakesHydraulic Disc
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Gearing

2 × 11 — 22 speed

Topstone 105

36 mph

Similar Bikes

36 mph

The Topstone 105 is easier to ride up hills than similar bikes.

The Topstone 105 is geared about the same as similar bikes for riding downhill.


Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

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Specs
Build
Frame

SmartForm C2 Alloy, 142x12 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts, 142x12 thru-axle, Tapered headtube, Flat mount disc, StraightShot internal cable routing, Multiple gear/bottle mounts

Fork

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

Bottom Bracket

FSA Omega

Headset

Topstone Si, 25mm Alloy top cap

Stem

Cannondale 3, 6061 alloy, 31.8, 7°

Handlebar

Cannondale 3, butted 6061 alloy, 16 deg flare drop

Saddle

Fabric Scoop Radius Sport, steel rails

Seatpost

Cannondale 3, 6061 Alloy, 27.2 x 350mm

Grips

Cannondale Grip Bar Tape w/Gel, 3.5mm

Groupset
Rear Derailleur

Shimano 105 GS

Front Derailleur

Shimano 105, 31.8 clamp

Crank

FSA Omega ME alloy, 46/30

Shifters

Shimano 105 hydro disc, 2x11

Cassette

Shimano 105, 11-34, 11-speed

Chain

KMC X11, 11-speed

Brakes

Shimano 105 hydro disc, 160/160mm RT56 rotors

Brake Levers

Shimano 105 hydro disc

Wheels
Rims

WTB ST i23 TCS, 28h, tubeless ready

Spokes

Stainless Steel, 14g

Front Hub

Formula RX-512, 12x100 centerlock

Rear Hub

Formula RX-142, 12x142 centerlock

Tires

WTB Riddler TCS Light, 700 x 37c, tubeless ready

2021 Cannondale Topstone 105
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