2012 Trek

4500 Disc

A 26″ aluminum frame crosscountry bike with upper mid-range components.

FrameAluminum
Wheels26″ Aluminum
Drivetrain3 × 9
GroupsetDeore, Acera
BrakesHydraulic 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)

31 mph

4500 Disc

27 mph

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Highest gear

(descending)

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Specs
Build
Frame

Alpha Gold Aluminum w/semi-integrated head tube, formed down tube w/integrated gusset, formed top tube, monostay seatstay, forged dropouts w/rack & fender mounts, replaceable derailleur hanger

Headset

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

Stem

Bontrager Race Lite, 31.8mm

Handlebar

Bontrager Low Riser, 31.8mm, 15mm rise, 9 degree sweep

Saddle

Bontrager Evoke 1

Seatpost

Bontrager SSR, 31.6mm, 20mm offset

TypeRigid

Pedals

Wellgo alloy platform

Groupset
Rear Derailleur

Shimano Deore M591

Front Derailleur

Shimano Acera

Crank

Shimano Alivio M4308, 44/32/22

Shifters

Shimano Alivio M430, 9 speed

Cassette

Shimano HG20-9 11-34, 9 speed

Brakes

Shimano M446 hydraulic disc brakes

TypeHydraulic Disc

Wheels
Rims

Shimano RM35 alloy center lock hubs; Bontrager AT-850 disc 32-hole rims

Tires

Bontrager XR2, wire bead, 26x2.1"

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Last updated June 29
Not listed for 2,501 days