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  • Jamis Jamis Xenith Comp 48

Jamis Xenith Comp 48

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Bicycling Magazine Review.  Editors choice

"The Best Part

The carbon frame is the best thing about this bike—each test editor at Bicycling who rode, felt, and reviewed this frame was impressed by it. And no, that’s not because we think carbon is always the superior material for bike manufacturing. It’s because the frame and fork on the Xenith Comp exceeded our expectations by feeling lighter than it weighs and riding with a smoothness that’s comparable to bikes costing more than $3,000.

It’s not the stiffest or most aerodynamic frame I’ve ever ridden, nor is it the lightest. In fact, if you’re looking for a race bike in the $2,000 range, I’d recommend aluminum models like the Cannondale CAAD12 105, Specialized Allez Sprint Comp Disc, or the Jamis Icon Pro. However, if you’re a rider who prioritizes comfort and wants to quell the harshness of the road below with a carbon frame for just a touch over $2,000, this bike might be for you.

Ride Impressions

The most enjoyable and surprising thing about riding the Xenith Comp was that it felt lighter than it weighed, an enviable trait meaning that the bike outperforms its cost. Pedaling at a leisurely pace over rolling hills and then at tempo up some 10-minute long climbs, this bike offered the same smoothness and ease of use that I’m used to experiencing on bikes nearly twice its cost. It dampened pothole-filled roads in need of repair without feeling soft, and at higher speeds, while descending and during flat-road intervals, it seemed to transfer my power as efficiently.

In short, what you get with the $2,100 Xenith Comp is a carbon frame that’s comparable to those found on high-end race bikes. That being said, there is a catch: You’re getting this bike at that cost because the components don’t match the quality of the frame. That’s not to say that the components aren’t reliable, but it is to say that it’s what you sacrifice for getting such a nice frame on a complete bike for a relatively low price."

Factory Description

Move up to the stellar ride of carbon with Jamis' Xenith Comp! Its sleek full-carbon frame and fork offer stiffness for maximum speed, minimal weight for great climbing and vibration damping for a velvety-smooth ride. This trick road rocket also boasts a fine mix of Shimano 105 components, FSA compact cranks and 20 quick-shifting gears for easy climbing. Plus, you'll love Mavic's fast-rolling wheels as well as Ritchey's top-notch handlebar and stem and the plush Selle San Marco seat that feels custom-made just for you.


Bottom bracket FSA PressFit 30
Brakes Tektro R540 forged alloy dual pivot calipers with cartridge pads and Shimano 105 ST-5700 STI brake levers
Cassette Shimano 10-Speed 11-28T
Chain KMC X10
Crankset FSA Gossamer compact double with Press Fit 30, 50/34T, 165mm (44), 170mm (48/51), 172.5mm (54)
Features DYAD PLUS Mid-modulus T700 and other carbon composites, with a lay-up minimizing cost while maximizing comfort & impact resistance, delivering a high level of torsional stiffness to optimize power transfer. Frame: Dyad Plus lay-up, tri-oval shaped top and down tubes with SST tubing diameters, 1 1/8-1 1/2” head tube, PressFit 30 BB shell, asymmetrical chainstays, twin seat stays, forged one-piece dropouts with replaceable derailleur hanger Fork: 1.5” hollow formed crown, monocoque one-piece forming technology, carbon dropouts with stainless axle interfaces
Fork type Jamis Xenith Comp level, full carbon composite
Frame type High performance carbon fiber composite with mid modulus fibers, Dyad Plus lay-up
Front derailleur 105 FD-5700 braze-on front with 34.9mm alloy clamp
Headset FSA, integrated, sealed bearing, 1 1/8-1 1/2Ó
Hub front Formula alloy with QR
Hub rear Formula alloy with QR
Rear derailleur Shimano 105 RD-5700
Recommended for Road, Club Ride
Rims type Mavic CXP-22 rims with CNC sidewalls, 28/32H
Saddle Selle San Marco SPID Glamour Arrowhead with Syntex cover and carbon steel rails
Shifters Shimano 105, ST- 5700 Dual Control STI, 20-Speed
Skewers Mavic CXP-22 rims with CNC sidewalls, 28/32H, Formula alloy hubs with QR and 14g black stainless steel spokes
Spokes 14g black stainless steel spokes
Stem Ritchey Road, 3D forged 6061 alloy, 6¼ x 90mm (44/48/51), 100mm (54)
Tires Vittoria Zaffiro Slick, 700 x 23c
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