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Jamis Roughneck

Jamis Roughneck


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Cosmic Dust

Product Details

2017 Jamis Roughneck

There is no off season. The Roughneck is a true fat bike with 26x4.5” tires giving it the capability to oat over snow, sand and soft mud with maximum traction and ease. Plenty of water bottle, cargo and rack mounts on the frame and fork provide versatility for loading up for any expedition. What’s stopping you now?

Features and Information

  • Specifications close open

    Specification Description
    Frame Triple-butted 6061 air-formed aluminum, 1.5 - 1 1/8” tapered head tube, post mount disc brakes, 100mm bottom bracket shell, rack mounts, internal cable routing, dropper seat post routing, replaceable derailleur hanger
    Fork Triple-butted 6061 air-formed aluminum, suspension corrected, tapered steerer, post-mount disc, rack/bottle mounts
    Headset FSA Orbit, Alloy cups
    Axles Front: 15x150mm hub spacing; Rear: 12x197mm rear hub spacing
    Rims/Wheels Sun Ringle MuleFut 80 Comp, STR Tubeless Ready
    Spokes Wheelsmith spokes, Brass nipples
    Tires Kenda Juggernaut Sport, 26 x 4.5", 60 tpi, folding
    Crankset FSA Comet
    Chainrings 36/22T
    Bottom Bracket FSA MegaExo
    Chain KMC X10 EPT (Anti-Rust), 10-speed
    Front Derailleur Shimano Deore
    Rear Derailleur Shimano Deore Shadow
    Rear Cogs Shimano HG50, 10-speed, 11-36T
    Shifters Shimano Deore, 2x10-speed
    Handlebars Ritchey Trail, 740mm x 20mm rise
    Tape/Grips Jamis Lock-On
    Stem Ritchey Trail
    Brake Levers TRP
    Brakes TRP Spyke 2-piston Mechanical, 180mm front & 160mm rear 6-bolt rotors
    Pedals ATB alloy platform
    Saddle WTB Volt Sport
    Seat Post Ritchey Trail Comp

    * Subject to change without notice.

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  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Vendor Number
    Cosmic Dust / 15-inch 845436019567 03-0740-BL JAM-03-0740 : 03-0740BL
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