Bicycle Archive · Specification report

2010 Schwinn Sierra 7

Velopedia Archive ID 21702

Overview

Model year	2010
Brand	Schwinn
Model	Sierra 7
Bicycle type	Comfort/commuter
Archive ID	21702
Original MSRP	$319.99
Colors	Silver
Sizes	Small, medium, large, xlarge

Frameset

Frame construction	TIG-welded
Frame material	Schwinn N' Gauged Hi-Ten
Fork	Schwinn
Fork material	N' Gauged Hi-Ten, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Comfort Mix
Shifters	Sram MRX 204
Front derailleur	N/A
Rear derailleur	Shimano Tourney
Crankset	Pro Wheel, 36 teeth
Bottom bracket	Sealed cartridge JIS
Cassette	Shimano freewheel
Rear cogs	7-speed, 13 - 34 teeth
Chain	KMC Z-51
Pedals	Resin body, steel cage & axle

Brakes

Brakes	ProMax linear-pull brakes, ProMax Aluminum w/reach adjust levers

Cockpit & contact points

Headset	1 1/8" Threaded
Handlebar	80mm rise, 30-degree bend
Handlebar extensions	Not included
Stem	Alloy Quill
Saddle	Comfort Tuned
Seatpost	Alloy Suspension

Wheels & tires

Hubs	KT alloy sealed mechanism QR
Rims	Weinman TM-19, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm)
Front tire	26 x 1.95" city tread
Wheel size	26" wheels

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