Bicycle Archive · Specification report

2012 Trek 820

Velopedia Archive ID 3088107

Overview

Model year	2012
Brand	Trek
Model	820
Bicycle type	Mountain
Archive ID	3088107
Original MSRP	$329.99
Colors	Matte Metallic Black
Sizes	13, 16, 18, 19.5, 21

Frameset

Frame material	Trek Custom Steel
Fork	SR Suntour M-2025 63mm

Drivetrain

Shifters	Shimano EF40 EZ Fire
Front derailleur	Shimano TX
Rear derailleur	Shimano TX35
Crankset	Alloy 3-piece 48/38/28
Cassette	Shimano TZ31 7spd 14-34t
Pedals	nylon flat pedal

Brakes

Brakes	Tektro linear pull/EF40 levers

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Bontrager Riser 30mm
Stem	Bontrager forged 25.4mm
Saddle	Bontrager SSR
Seatpost	Bontrager SSR 31.6mm

Wheels & tires

Hubs	Formula FM21 alloy Formula FM31 alloy
Front tire	Bontrager LT3 26x2.0"

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.