Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2026 Bross

KEYSTONE 3

A 29″ carbon frame hardtail crosscountry bike with upper mid-range components.
Compare the full range

FrameCarbon
SuspensionHardtail, 100mm
ForkRockShox
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesSRAM Hydraulic Disc
View on brossbikes.comLearn about Bross
Where to Buy
Similar Bikes
Top Comparison
Insights
Sizing
SM

158cm – 171cm

MD

168cm – 180cm

LG

178cm – 189cm

XL

186cm – 199cm

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

Lightweight carbon fiber frame, fully internal cable routing, 148x12 rear fork, BB91 press-fit bottom bracket, 1X system

Fork

ROCKSHOX JUDYTK, tapered, 100mm, 15x110mm

Travel100mm

Headset

BROSS internal cable routing headset

Stem

BROSS aluminum 6°

Handlebar

BROSS aluminum 720mm

Saddle

BROSS saddle / SELLE ITALIA X-BASE

Seatpost

BROSS aluminum 27.2x350mm

TypeRigid

Groupset
Rear Derailleur

SRAM SX EAGLE, 12-speed

Crank

PROWHEEL MPX-B, 12-speed

Shifters

SRAM SX EAGLE, 12-speed

Cassette

SRAM SX EAGLE PG-1210, 12-speed

Chain

SRAM SX EAGLE, 12-speed

Brakes

SRAM disc brakes 160mm/160mm

TypeSRAM Hydraulic Disc

Wheels
Rims

BROSS aluminum tubeless rims

Tires

CONTINENTAL RACEKING 29x2.0 folding

Rider Notes
Riders Also Viewed

First added 16 April

Last updated 7 June