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Though we do make bikes with frame geometry and component sizing specifically targeted for women, not every woman is best suited or fitted on such a bike. We want to be clear about that from the outset. As always, the best advice for buying a bike is to go to your LBS, where you can be properly fitted on a bike. One of our “unisex” sizes just might be the perfect fit for you (though a swap for a saddle with a wider sit-bones platform will likely be recommended). But if you discover that you are, in fact, best fitted on one of our Femme geometry bikes, of which there are many, here’s what you’ll find:
• Top tubes will be shorter; stems shorter too, with seat tube angles possibly steepened, all to reduce the distance from saddle-to-bar for a more comfortable reach.
• Head tube angles may be relaxed and fork rake increased to eliminate or minimize the potential for wheel-toe overlap,
• Bottom bracket height may be dropped so standover clearance is increased and center of gravity is lowered.
• Handlebars will often be narrower with a shorter reach to the flats and drops.
• Brakes/Shift levers will often have a shorter reach as well and cranks arms may be shorter for any given frame size in comparison to the unisex version.
• Saddles will generally be shorter and wider, often with a pressure relief zone.
• We may even alter the weight and stiffness of our frame materials to better suit a lighter-weight rider (see SST info below)
And we make all our Femme bikes in a broad sizing range – from 44cm to 54cm, or 14” to 18”, so you can be assured of finding a Jamis Femme that fits perfectly.
All our frames and forks are tested continually to meet or exceed (in some cases, well exceed) EN standards 14764, 14765, 14766 and 14781 as well as the new ISO 4210 standards. We conduct these tests at our frame manufacturing facilities, but we also use EN accredited testing laboratories such as Intertek and SGS to verify the results of our own tests. If these tests aren’t telling us everything we want to know about our bikes, we increase the loads and cycles, or we determine another way to test. Where current hydraulic testing machines, jigs and hardware aren’t up to the task of emulating some of the forces and impacts our bikes might be subject to, we’ve designed our own.
We relentlessly cycle test for fatigue from pedaling and torsional forces on every single frame size, with deflection tests for stiffness at every point of the frame. Brutal impact tests with massive weights dropped on fixed frames or forks are performed. Then reversed, with weights attached to the frame, the frame hoisted to a given height depending upon product type, then released.
This destructive testing is enormously instructive and important. And it is in continual process. But it’s our ongoing non-destructive testing of frames and forks fresh off the factory floor that’s just as vital.
For our carbon fiber frames, EVERY frame is weighed to make sure it’s neither resin rich nor resin deficient. We also measure the stiffness of each frame in 6 critical areas as a check on lay-up production. Each deflection test must fall within 5% of the standards our machine and field-testing have established. This weighing and stiffness deflection testing guarantees every single frame we produce meets all Jamis manufacturing protocol and will
deliver the ride qualities we defined and demand.
Every Commuter offers longer, full-coverage aluminum fenders, complete with mud flaps. The consistent inside fender radius and rolled edges keeps the water inside the fender and off your feet and drivetrain. Every Commuter fender offers adjustable stays, so changing the size of your tires is never an issue.
Every Commuter offers a smartly redesigned alloy handlebar that sweeps forward then back stylishly for a perfectly comfortable heads-up riding position.
A quilled stem may seem old school, but the traditional design is both simple and versatile. And on our Commuters, it looks great too. Loosening one Allen screw allows stem and handlebar height to be easily adjusted without effecting headset preload. Pull it up on Monday morning for see-in-traffic commutes, then lower it for faster, fitness rides on the weekend.
We’ve designed our rear carriers specifically for use on all our Commuter models and painted them to match the frame and forks. All models include a Jamis securing strap.
Our Jamis Metro Sport saddle offers just the right combination of width, shape and padding for riding comfortably and efficiently. Offered in gender specific sizing.
Nothing complicates a drivetrain faster than adding a second or third chainring, a front derailleur and another shifter. The possibility of a missed shift or a dropped chain is increased and nothing is less fun in traffic. Which is why we spec a SINGLE 42 or 44 tooth chainring in the front and only 7 or 8-speeds in the back on our Commuters. For commutes to school or the office, it’s all the gearing you need.
The Shimano Nexus hub on the Commuter 3 has many advantages over externally geared derailleur systems. For one, shifting is smoother than on external systems. They are also more reliable and require much less maintenance because the mechanism is not exposed to dirt or weather. Instead, the gears are sealed within the hub and bathed in lubricant. And, unlike derailleur systems, they can be shifted even when the bicycle is stopped, a valuable feature for the commuter who rides in stop-and-go traffic.
The CST Corporal tire features a single compound rubber and grooved tread, so it not only rolls quickly on the street, but also maintains control in gravel and disperses water in wet conditions. The casing is reinforced for extra flat protection and offers a reflective sidewall stripe to increase visibility in the dark.
UPGRADES FROM COMMUTER 1
Lightweight aluminum frame
Stronger 32H wheelset with double wall rims, cassette rear hub
SRAM VIA 8-speed group
Forged alloy crank with integrated spider
Jamis Metro Sport saddle with memory foam
|Frame||6061 triple gauge aluminum main tubes and stays, new sloping design, kickstand mount, forged dropouts and fender/rack eyelets|
|Fork||Jamis City/Cross Hi-tensile steel unicrown, straight blades, double dropout eyelets|
|Headset||Water-resistant sealed mechanism, threaded, 1 1/8”|
|Wheels||Alex ID-19 double wall alloy rims with GSW sidewall, 32H, Formula alloy hubs with QR and 14g stainless steel spokes|
|Tires||CST Corporal with silver safety stripe, 700 x 32c|
|Derailleurs||SRAM VIA rear|
|Shiftlevers||SRAM 3.0 Comp Grip Shift, 8-Speed|
|Cassette||SHIMANO HG41 8-speed, 11-32T|
|Crankset||Forged alloy crank, single 42T chainring, 170mm, with full length chainguard|
|BB Set||FSA sealed cartridge, 68 x 122.5mm|
|Pedals||Comfort platform with TPE non-slip insert|
|Brakeset||Forged alloy linear-pull brakes with Tektro CL530 ergonomic designed alloy brake levers with kraton insert|
|Handlebar||Jamis ARC, 6061 aluminum, 25.4 x 35º sweep x 580mm (F 14", 18") 600mm (M 15”, 17”, 19”, 21”, 23”)|
|Stem||Jamis alloy hi-rise, quill type, 35º x 90mm with 180mm quill|
|Grips||New Anatomic double density kraton grip with reflective end plug|
|Seat Post||Jamis alloy micro-adjust, 27.2 x 350mm with alloy clamp and QR seatpin|
|Saddle||Jamis Metro Sport with memory foam, synthetic leather cover, burnished sides and bumper springs with satin steel rails, gender specific|
|Accessories||Full coverage 45mm fenders with adjustable stays with mud flaps, new designed Jamis carrier (capacity 18kg/40lbs.) with Jamis logo strap, rear reflector, micro bell and kickstand|
|Color||Blue Lagoon or Coral|
|SIZE||TOP EFFECTIVE||HEAD ANGLE||SEAT ANGLE||CHAIN STAY||WHEEL BASE||FORK RAKE||BB DROP||HEAD TUBE||STANDOVER||STACK||REACH|
|14||21.50 / 546||70˚||74.5˚||17.52 / 445||41.77 / 1061||1.97 / 50||2.75 / 70||4.72 / 120||25.00 / 635||22.28 / 566||15.39 / 391|
|18||21.89 / 556||71˚||74˚||17.52 / 445||41.61 / 1057||1.97 / 50||2.75 / 70||5.12 / 130||25.67 / 652||22.79 / 579||15.43 / 392|
FIT & SIZING
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