Bicycle Archive · Specification report

2011 Schwinn Sierra IG3

Velopedia Archive ID 24427

Overview

Model year	2011
Brand	Schwinn
Model	Sierra IG3
Bicycle type	Comfort/commuter
Archive ID	24427
Colors	Deep silver
Sizes	S

Frameset

Frame construction	Aluminum
Frame material	Schwinn N'Litened Aluminum
Fork	Rigid Frame
Rear shock	N/A

Drivetrain

Component group	Commuter Mix
Shifters	Shimano Revo twist
Crankset	Schwinn S Logo forged alloy, 38T teeth
Bottom bracket	Cartridge Sq. JIS Taper
Chain	KMC Z-410
Pedals	Nylon Comfort

Brakes

Brakes	ProMax linear-pull brakes, Promax alloy levers

Cockpit & contact points

Headset	1 1/8" Threaded
Handlebar	80mm rise, 25-degree bend
Handlebar extensions	Not included
Stem	Alloy Adjustable
Saddle	Comfort Tuned Plus
Seatpost	Alloy Suspension, 26.8mm diameter

Wheels & tires

Hubs	Front: KT alloy, Rear: Shimano Nexus 3
Rims	Alex double wall alloy, 32-hole
Spokes	Stainless, 14ga. (2.0mm)
Front tire	26 x 1.95" Schwinn
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.