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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.
The sloping frame design of the Trail XR is offered in up to 8 sizes (depending on model), assuring the best possible customer fit for optimal handling and enhanced comfort Our smallest 12” & 13” frames are especially suitable for junior riders. These frame sizes can comfortably & safely fit some kids as young as 9 or 10.”
Jamis is famous for making great high-end steel bikes. So when it comes to a more affordable bike like the Trail XR, it’s got to be good to know that the same experience and skill that designs and fabricates a Dragon is working for you on the XR.
Running the cables up under the top tube keeps cables and housing out of the muck for more precise and reliable shifting performance.
Most of our Trail XR sizes (17” - 21”) offer two water bottle mounts located inside the main frame. This provides excellent hydration capacity in an easily accessible position. Or you can use one set of mounts for a bottle and the other for a battery for a light.
Our straight-bladed tubular unicrown fork is significantly lighter than most suspension forks, offering more responsive steering and an easier-to-lift-up-the-dorm-stairs bike.
Every Trail XR offers quick-release front and rear wheels, as well as a quick release seat post clamp, to make transport, storage or locking up a snap.
Many folks find throttle-style shifters much simpler to use than those that operate by thumb. There’s something intuitive about simply twisting the inboard side of your handlebar grips to change the speed at which you’re pedaling. Which why our Trail XR feature Grip Shift from SRAM.
Many of the parts specified on the Trail XR are made of aluminum to save weight, but also to help preserve the finish of the bike. Aluminum parts include the seat post (it’s micro-adjust too!), seat clamp (with QR!), rims, and crank arms.
TOP FIVE THINGS YOU NEED TO KNOW
Our straight-bladed tubular unicrown fork is significantly lighter than most suspension forks, offering more responsive steering and an easier to lift-up-the-dorm-stairs bike.
XR's 21-speed SRAM twist-shift drivetrain shifts intuitively and smoothly. With 3 chainrings up front and a 13-28T indexed freewheel in back, steep hills are flattened and fun.
Every Trail XR offers quick release front & rear wheels and a quick release saddle assembly to make transport, storage, or locking up a snap.
That long-quilled, hi-rise stem positions the XR riser handlebar higher than on our other Trail series bikes with threadless steering systems for a more propped-up, less-weight-on-the-wrists riding position.
There's lots of lightweight, rust-proof alloy parts on the XR -- micro-adjust seat post, crank, seat post clamp, rims and brakes -- that make riding more pleasurable & maintenance easier.
|Frame||Hi-tensile steel tubes|
|Fork||Unicrown, hi-tensile steel, with over-sized radiused blades|
|Wheels||Alloy 26 x 1.50” 36H rims, heavy-duty ATB hubs with QR, 14G nickel-plated spokes|
|Tires||CST MTB, 26 x 1.95”|
|Derailleurs||Shimano TY300 rear and Shimano TZ30 front|
|Shift levers||Shimano Revoshift 35, 3x7-speed|
|Chain||KMC Z51, 7-speed|
|Cassette||7-speed freewheel, 13-28T|
|Crankset||Forged alloy crank, 42/34/24T, 170mm|
|BB Set||Bolt type axle|
|Pedals||MTB platform, hi-impact resin|
|Brakeset||Alloy linear pull type with full alloy 4-finger levers|
|Handlebar||Jamis XC riser, 25.4 x 20mm rise x 620mm|
|Stem||Jamis Hi-Rise, 40˚ rise x 90mm (12-14”), 105mm (15-18"), 120mm (19-21")|
|Grips||Kraton for Grip Shift|
|Seat Post||Jamis alloy micro-adjust, 28.6 x 350mm (12-15") 400mm (17-21")|
|Saddle||Jamis ATB Sport, SL cover, protective front and rear guards|
|Sizes||M: 13”, 15”, 17”, 19”, 21” F: 12”, 14”, 18”|
|Color||M: Charcoal or Puget Sound S/O: Ano Black or Ano Seafoam|
|SIZE||TOP EFFECTIVE||HEAD ANGLE||SEAT ANGLE||CHAIN STAY||WHEEL BASE||FORK RAKE||BB DROP||HEAD TUBE||STANDOVER|
|12||20.51 / 521||70.5˚||74˚||16.93 / 430||40.16 / 1020||1.77 / 45||1.3 / 33||4.13 / 105||24.52 / 623|
|14||20.71 / 526||70˚||73˚||16.93 / 430||40.23 / 1022||1.77 / 45||1.3 / 33||4.92 / 125||25.27 / 642|
|18||21.97 / 558||70.5˚||72.5˚||16.93 / 430||41.10 / 1044||1.77 / 45||1.3 / 33||5.51 / 140||25.59 / 650|
FIT & SIZING
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