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Jamis Commuter 4 (2013)

General

Product Category
Brand Jamis
ModelCommuter 4
Size15, 17, 19, 21, 23
ColorAno Grey

Specific

Bottom bracketFSA sealed cartridge, 68 x 122.5mm
Brake leversTektro CL530 ergonomic designed alloy brake levers with kraton insert
BrakesSLIDEPAD Single lever automatic braking system, Tektro linear pull brakes
Cassette20T
ChainKMC X8
CranksetForged alloy crank, single 42T chainring, 170mm (14-18”), 175mm (19-23”), with full length chainguard
FeaturesCommuter's no-nonsense aluminum frame is lightweight & durable and available in 7 sizes for the best possible fit, all contributing to a more comfortable and safer ride. It features formed top and down tubes for enhanced steering control and good looks. Our aluminum Commuter fork is significantly lighter than both suspension forks and steel unicrown forks, improving pedaling performance and maneuverability. A new revolutionary feature to the Commuter line is the SlidePad braking system. Slidepad is a new single lever braking technology that reduces the risk of front wheel lock up which increases safety and is easy to use. Slidepad uses the momentum of the rear wheel to actively modulate the front brake, enabling smooth, controlled stopping power. Nuvinci's continuously variable transmission (CVT) for bicycles is a game-changing drivetrain and an exciting new alternative to the limitations and complications of traditional indexed-geared systems. It's a simple and seamlessly smooth way of shifting that is as easy as adjusting the volume on a radio. And it gives cyclists complete control to manually shift like never before throughout a wide ratio range without power transfer interruptions, or missed shifts. The svelte ARC handlebar with 27 degree back-sweep puts hands & wrists in a comfortable, natural position. NVO Components ATS adjustable-height stem system is much lighter than traditional angle adjustable stems, and offers a much faster and easier method for adjusting handlebar height for more efficient and comfortable riding. Our dual-density grip with reflective end plug delivers comfort and a secure non-slip steering interface between rider and handlebar. Smooth-rolling, Vittoria Adventure 700 x 32c tires hold more air volume & are more comfortable to ride than smaller width 23 - 28C road tires. These tires also feature a 3M reflective stripe for enhanced visibility in the dark and a puncture-resistant casing that helps protect tubes from flats. Alex ID-19 double wall rims are stronger, lighter and longer lasting than standard single wall rims. Our Metro Sport saddle features memory foam padding for optimum support with maximum comfort and is available in gender specific sizing for both our Mens and Womens bikes. Our full coverage alloy fenders are light & stylish and protect both rider and bike from rain water sloughing off spinning wheels. We've thoughtfully included a lightweight alloy rear carrier, reflector and strap to make local commutes with office gear a snap. Rear carrier is rated to carry 18kgs/40lbs. Our micro-bell doesn't takes up a lot of space on the handlebars, but for such a small bell has a surprisingly large tone -- an asset in pedestrian and cycling rich areas.
Fork typeJamis City/Cross radiused aluminum blades, forged dropouts with single eyelet
Frame type6061 triple gauge aluminum main tubes and stays, sloping design, rear carrier and fender mounts, forged dropouts with double eyelets
HeadsetVP Slimstack threadless, 1 1/8”
Hub frontFormula alloy front hub
Hub rearNuVinci N360 continuously variable planetary (CVP) transmission rear hub
PedalsCity style, full alloy, with TPE non-slip insert
Recommended forRoad, Commuter
Rims typeAlex ID-19 double wall alloy rims with GSW sidewall, 36H
SaddleJamis Metro Sport with memory foam, synthetic leather cover, burnished sides and bumper springs with satin steel rails, gender specific
ShifterNuVinci N360 Shifter
Spokes14g stainless steel
StemNVO Components TM-4 adjustable threadless system (ATS) forged aluminum stem, 10˚ x 90mm (14/15/16/17/18”), 105mm (19/21"), 115mm (23”). ATS shim length 100mm
TiresVittoria Adventure with Solid Shielding puncture protection and reflective sidewall, 700 x 32c
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