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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.
FIT & SIZING
The contoured seat tube not only makes the bike more aero by tucking the rear wheel behind the seat tube, but improves power transfer by minimizing rear triangle flex. Having the rear wheel under the rider also minimizes rear wheel skips during all out sprints.
We not only formed the down tube to cut through the wind, but trangulated it at the bottom bracket for ultimate stiffness.
This is the same carbon post with the same aero profile as Team Jamis-Hagens Berman p/b Sutter Home uses on their wind-cheating Xenith T-series bikes. The Sonik’s aero seat tube has been formed to exactly the same aero shape as the slippery Xenith T.
With reduced tire clearance and fork rake, this fork perfectly complements the Sonik’s aggressive geometry and aerodynamic profile. The short 30mm offset is well suited for the Sonik’s steep head angle as well as the steep banks of the velodrome. Carbon blades and steerer assure fast-paced lightweight performance.
These 32H front and rear wheels aren’t as sexy looking as lower spoke count wheels, but they are much better suited for the rigors of aggressive urban riding than those low spoke lightweights.
Track race strategy includes making gear ratio changes for nearly every race. To prevent dropout damage from the constant rear wheel removal and re-tightening these gear changes require, we surface our lightweight alloy dropouts with replaceable stainless steel inserts.
Named after cycling legend Felice Gimondi, this retro-styled 46T crankset is designed with state of the art technology to perform at the highest level and still maintain a classic look.
|Frame||Aero 7005 double-butted aluminum track frame with aero down tube triangulated at BB shell for additional stiffness, airfoil radius bent seat tube with wheel cut-out, airfoil seatstays, brake bridge, rear entry track dropouts with stainless inserts|
|Fork||Carbon Aero Track fork with alloy steerer & crown, forged alloy dropouts|
|Headset||FSA Internal AheadSet, 1 1/8”|
|Wheels||Alex RA30 aero rim, 32/32H, 30mm aero rim profile, Formula alloy track hubs with flip/flop rear and 14g stainless steel spokes|
|Tires||Vittoria Zaffiro Slick, 700 x 23c, folding|
|Crankset||FSA F. Gimondi Track, single 46T x 165mm (48/51), 170mm (54/56), 175mm (58/61)|
|BB Set||FSA sealed Cartridge, 68 x 108mm|
|Handlebar||Jamis Track, 6061 aluminum, 31.8 x 420mm x 173mm drop x 109mm reach|
|Stem||Jamis Road, 3D forged 6061 alloy, 7º x 90mm (48/51), 100mm (54/56), 120mm (58/61)|
|Tape||Fizik Superlight Microsoft Touch with Fizik logo and end plug|
|Seat Post||Jamis Aero carbon post with integrated seat post clamp|
|Saddle||Selle Royal Seta S1 with Integrated Clip System, embossed cover and steel rails|
|Sizes||48, 51, 54, 56, 58, 61cm|
|SIZE||TOP EFFECTIVE||HEAD ANGLE||SEAT ANGLE||CHAIN STAY||WHEEL BASE||FORK RAKE||BB DROP||HEAD TUBE||STANDOVER||STACK||REACH|
|48||20.67 / 525||74.5˚||75˚||14.53 / 369||35.90 / 912||1.18 / 30||1.97 / 50||4.33 / 110||29.01 / 737||19.88 / 505||15.35 / 390|
|51||20.86 / 530||74.5˚||75˚||14.53 / 369||36.10 / 917||1.18 / 30||1.97 / 50||4.33 / 110||29.60 / 752||19.88 / 505||15.55 / 395|
|54||21.45 / 545||74.5˚||74˚||14.60 / 371||36.45 / 926||1.18 / 30||1.97 / 50||4.72 / 120||29.64 / 753||20.34 / 514||15.67 / 398|
|56||22.24 / 565||74.5˚||74˚||14.60 / 371||37.24 / 946||1.18 / 30||1.97 / 50||5.51 / 140||30.86 / 784||20.98 / 533||16.22 / 412|
|58||22.83 / 580||74.5˚||74˚||14.60 / 371||37.79 / 960||1.18 / 30||1.97 / 50||6.30 / 160||31.61 / 803||21.77 / 553||16.61 / 422|
|61||23.31 / 592||74.5˚||73.5˚||14.68 / 373||38.15 / 969||1.18 / 30||1.97 / 50||7.28 / 185||32.56 / 827||22.72 / 577||16.61 / 422|