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Jamis Xenith Endura Sport (2013)

General

Product Category
Brand Jamis
ModelXenith Endura Sport
Size48, 51, 54, 56, 58, 61
ColorGloss Carbon/Victory Yellow

Specific

Bottom bracketFSA sealed cartridge, 68 x 108mm
Brake leversShimano Tiagra ST-4600 STI
BrakesTektro R317 alloy long reach dual pivot calipers
CassetteShimano 10-Speed 12-30T
ChainSRAM PC1031 w/Powerlock
CranksetFSA Vero compact double, 50/34T, 170mm (48/51), 172.5mm (54/56), 175mm (58/61)
FeaturesUtilizing the same manufacturing techniques & materials as our Xenith Competition series, the Xenith Endura features a slightly longer wheelbase for stability, tuned rear stays for more vertical compliance, longer head tubes for increased handlebar height and a slacker HT angle for increased steering stability. The Endura still retains many of the key design features that won awards and races for our Xenith Competition series: a 1 1/8-1.5" head tube/fork steerer, Press Fit 30 bottom bracket system, Tri-Oval top and down tubes, asymmetrical chainstays, SST differential tubing diameters, one-piece forged dropouts, dual seat tube slots for secure post clamping, a clamp on front derailleur for more adjustability and clampload spreading on the seat tube, and small SST diameter twin seat stays for optimal vertical compliance. The Xenith Endura series is designed with flexibility in mind, like long-reach brakes for greater tire selection and room for fenders, and rear eyelets for a brake bridge mounted rear carrier. Our small SST diameter seat stays deliver a silky smooth ride with greater vertical compliance without sacrificing frame stiffness thanks to the "muscle" shaped asymmetrical chainstays with the driveside 10% larger than the non-driveside, yielding 30% more volume & stiffness to offset drivetrain torque. Our taller head tubes yield a slightly higher handlebar height for those riders that want a high performance ride but prefer to ride with a more upright riding posture. The larger 46mm bore diameter of the Press Fit 30 BB system increases ply compaction yielding a lighter frame with increased frame strength. The key difference with Press Fit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups that are pressed into the frame's bottom bracket shell. Like BB30, Press Fit 30 uses the same bearing that is designed for a 30mm spindle cranksets. Advantages of Press Fit 30: Improved bearing-to-shell interface, greater bearing durability and simple installation. Fully integrated cables with enclosed BB cable guide system completes the already great frame package Alex DC-19 double wall rims mated with Formula smooth spinning hubs and stainless spokes, meticulously built, make a great all-around wheelset Shimano's Tiagra 10-Speed group has been redesigned and engineered. With new ergonomic shaped shift levers, across the board 10-Speed compatibility and wider gear ranges this group has it covered. FSA's compact chainring concept is revolutionary: a 34T inner chainring offers a 15% lower gear ratio than traditional 39T double ringed road cranks, but the 50T outer loses only 6% off the top end compared to the 53T traditional outer. You get the hill climbing capability of a triple, yet less weight than a standard double. Tektro's cold forged long reach brakes allow for a greater choice of tires and with plenty of room for fenders. Vittoria Zaffiro 25c tires have slightly more volume than 23c racing tires for increased stability, control and a better ride. Selle San Marco's new SPID Arrowhead saddle looks racy while at the same time is designed for comfortably thanks to the ergonomic shape and pressure relief cut-out in the shell.
Fork typeJamis full carbon composite fork, 1.5” hollow formed crown, monocoque one-piece forming technology, alloy dropouts with one eyelet
Frame typeHigh performance carbon fiber composite with mid modulus fibers, Dyad Plus T700/FRP lay-up, tri-oval shaped top and down tubes with SST tubing diameters and internal cables, 1 1/8-1 1/2” head tube, PressFit 30 BB shell, asymmetrical chainstays, twin SST s
Front derailleurShimano Taigra FD-4600 brazeon with 34.9mm alloy clamp
HeadsetFSA integrated, sealed bearing, 1 1/8-1 1/2”
Hub frontFormula alloy hub
Hub rearFormula alloy hub
Rear derailleurShimano Tiagra RD-4600SS
Recommended forEndurance, Road, Club Ride
Rims typeAlex DC19 double wall alloy rims with CNC sidewalls, 28/32H
SaddleSelle San Marco SPID Arrowhead with Syntex cover and carbon steel rails
ShiftersShimano Tiagra ST-4600 Dual Control STI, 20-Speed
Spokes14g stainless steel
StemJamis Road, 3D forged 6061 alloy, 7˚ x 90mm (48/51), 100mm (54/56), 120mm (58/61)
TiresVittoria Zaffiro, 700 x 25c
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