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2012 Trek

3900 Equipped

A 26″ aluminum frame crosscountry bike with modest components and tektro rim brakes.
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FrameAluminum
Wheels26″ Aluminum
Drivetrain3 × 8
GroupsetTourney, Acera
BrakesTektro Rim
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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)

30 mph

3900 Equipped

27 mph

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Highest gear

(descending)

Specs
Build
Frame

Alpha Silver Aluminum w/formed top tube, oversized seatstays & chainstays, forged dropouts, rack & fender mounts, replaceable derailleur hanger

Headset

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

Stem

Bontrager Approved, 25.4mm

Handlebar

Bontrager Approved Riser, 25.4mm, 30mm rise

Saddle

Bontrager SSR

Seatpost

Bontrager SSR, 31.6mm, 20mm offset

TypeRigid

Pedals

Nylon platform

Groupset
Rear Derailleur

Shimano Acera M360

Front Derailleur

Shimano TX

Crank

Shimano TX M171, 42/34/24

Shifters

Shimano EF51, 8 speed

Cassette

Shimano HG31 11-32, 8 speed

Brakes

Tektro linear-pull brakes w/Shimano EF51 levers

TypeTektro Rim

Wheels
Rims

Shimano DH3N20 Dyno front hub, RM30 rear hub; Bontrager 550 rims w/machined sidewalls

Tires

Bontrager LT3, 26x2.0"

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First added June 29

Last updated June 29

Not listed for 3,256 days