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2011 Trek

Cobia

A 29″ aluminum frame crosscountry bike with upper mid-range components.

FrameAluminum
Wheels29″ Aluminum
Drivetrain3 × 9
GroupsetX7, Deore
BrakesPromax Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

56 km/h

Cobia

44 km/h

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Highest gear

(descending)

Reviews
BikeRadar
Trek Cobia 29er review

Feb 2011 · Seb Rogers

Stick with a 26er if you like to wrestle down the singletrack, if not then the Cobia is a great all-rounder

Read Review

Specs
Build
Frame

6061 T6 aluminum, butted & hydroformed tubing, cold-forged dropouts & bottom bracket, G2 29" Geometry

Headset

1-1/8" threadless, semi-integrated, semi-cartridge bearings

Stem

Bontrager SSR

Handlebar

Bontrager Approved Big Sweep, 15 degree sweep

Saddle

Bontrager Evoke 1

Seatpost

Bontrager SSR, 27.2mm, 20mm offset

TypeRigid

Pedals

Wellgo LU-216A

Groupset
Rear Derailleur

SRAM X.7

Front Derailleur

Shimano Deore

Crank

Shimano Alivio, 44/32/22

Shifters

SRAM X.5, 9 speed

Cassette

SRAM PG-950 11-34, 9 speed

Brakes

Promax Hornet hydraulic disc brakes, 6-bolt; 160mm rotors

TypePromax Hydraulic Disc

Wheels
Rims

Shimano M475 hubs; Bontrager Ranger 29 Disc 32-hole rims

Tires

Bontrager 29-2, 29x2.1"

Rider Notes
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First added 29 June

Last updated 29 June

Not listed for 3,256 days