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2012 Jamis Commuter 2

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Overview

Brand
Jamis
Model family
Commuter
Model year
2012
Category
Hybrid · commuter
Frame material
aluminum
Sizes
15, 17, 19, 21, 23
Wheel size
700c

Drivetrain

Speeds
8
Groupset
SRAM 3.0
Chainrings
1
Electronic
false

Build

Fork
Hi-tensile steel unicrown, radiused blades, double dropout eyelets
Stem
NVO Components TM-4 adjustable threadless system (ATS) forged aluminum stem, 10º x 90mm (14/15/16/17/18"), 105mm (19/21"), 115mm (23")
Tires
CST Marathon/Tour with silver safety stripe, 700 x 32c
Brakes
Tektro linear pull brakes with Tektro CL530 ergonomic designed alloy brake levers with kraton insert
Saddle
Jamis Metro Sport with memory foam, synthetic leather cover, burnished sides and bumper springs with satin steel rails, gender specific
Wheels
Alex ID-19 double wall alloy rims with GSW sidewall, 36H, Formula alloy hubs with QR and 14g stainless steel spokes
Cassette
SRAM PG-850 8-Speed 11-32T
Crankset
Forged alloy crank, single 42T chainring, 170mm, with pants guard
Seatpost
Jamis alloy micro-adjust, 27.2 x 350mm with alloy clamp and QR seatpin
Shifters
SRAM 3.0 Comp Grip Shift, 8-Speed
Handlebar
Jamis ARC, 6061 aluminum, 25.4 x 27º sweep x 580mm
Weight kg
12.81
Rear derailleur
SRAM VIA

Geometry

15
Chainstay mm: 445; Wheelbase mm: 1041; Head angle deg: 71; Seat angle deg: 74
17
Chainstay mm: 445; Wheelbase mm: 1057; Head angle deg: 71; Seat angle deg: 74
19
Chainstay mm: 445; Wheelbase mm: 1053; Head angle deg: 72; Seat angle deg: 73.5
21
Chainstay mm: 445; Wheelbase mm: 1068; Head angle deg: 72; Seat angle deg: 73.5
23
Chainstay mm: 445; Wheelbase mm: 1079; Head angle deg: 72; Seat angle deg: 73.5

Sizes in inches (W = women's or step-through sizes). Colors: Gloss Black or Winter Green. Also listed: headset Sealed, threadless, 1 1/8"; bottom bracket FSA sealed cartridge, 68 x 122.5mm; pedals Comfort platform with TPE non-slip insert; chain KMC Z7; grips Anatomic double density kraton grip with end plug; extras Lightweight polycarbonate fenders, Jamis carrier with Jamis logo strap and micro bell. Frame: 6061 triple gauge aluminum main tubes and stays, sloping design, rack/fender mounts, forged dropouts with double eyelets. Jamis served one combined spec sheet for this bike and its step-over version (Commuter 2 Step-Over); this entry keeps only its own sizes and colors.

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