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2026 Bross

KEYSTONE A5

A 29″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox
Wheels29″ Aluminum
GroupsetDeore
BrakesShimano Deore Hydraulic Disc
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Insights
Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Geometry
Specs
Build
Frame

KEYSTONE aluminum lightweight frame 6061, 29 inch wheels, quick release rear wheel, threaded bottom bracket

BB StandardBSA, 73mm, Threaded

Fork

ROCK SHOX JU DYTK, tapered, 100mm, 9x100 QR

Travel100mm

Bottom Bracket

BSA, 73mm, threaded

Headset

BROSS headset

Stem

BROSS aluminum stem 60mm

Handlebar

BROSS aluminum handlebar 720mm

Saddle

BROSS saddle

Seatpost

BROSS aluminum 30.9x350mm

TypeRigid

Groupset
Rear Derailleur

SHIMANO DEORE RD-M6100, 12 speed

Crank

PROWHEEL MPX

Cassette

SHIMANO SLX M7100

Chain

KMC x12

Brakes

SHIMANO DEORE SL-M6100, 12 speed

TypeShimano Deore Hydraulic Disc

Brake Levers

SHIMANO DEORE SL-M6100, 12 speed

Wheels
Rims

BROSS aluminum rims

Tires

CONTINENTAL RACEKING 29x2.0

Disc Rotors

BROSS 160mm/160mm

Rider Notes
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First added April 16

Last updated May 30