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Jamis Roughneck

Jamis Roughneck


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Product Details

2018 Jamis Roughneck

There is no off season. The Roughneck is a true fat bike with 26x4.5” tires giving it the capability to float 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.


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  • Specifications close open

    Specification Description
    Frame Triple-butted 6061 air-formed aluminum, 1.5 - 1 1/8” tapered head tube, 12x197mm rear hub spacing, 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, 15x150mm hub spacing, post-mount disc, rack/bottle mounts
    Headset FSA Orbit, Alloy cups
    Rims/Wheels Sun Ringle MuleFut 80 SL, STR Tubeless Ready, 15x150 Front hub, 12x197 Rear hub, Wheelsmith spokes, Brass nipples
    Tires Kenda Juggernaut Sport, 26 x 4.5", 60 tpi, folding
    Crankset Race Face Ride, 30T, 170mm (15”), 175mm (17-21”)
    Bottom Bracket Race Face External
    Chain KMC X11-1 EPT (Anti-Rust), 11-speed
    Front Derailleur Shimano SLX Shadow Plus rear
    Rear Derailleur Shimano SLX Shadow Plus rear
    Cassette/Rear Cogs Shimano M7000, 11-speed, 11-46T
    Shifters Shimano SLX, 1x11-speed
    Handlebars Race Face Ride, 740mm x 25mm rise
    Tape/Grips Jamis Lock-On
    Stem Race Face Ride, 70mm (15"/17"), 80mm (19"/21")
    Brakes TRP Spyke 2-piston Mechanical, 180mm front & 160mm rear 6-bolt rotors
    Pedals MTB alloy platform
    Saddle WTB Volt Sport
    Seat Post Race Face Ride, 31.6 x 400mm

    * Subject to change without notice.

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  • Part Numbers close open

    Option Manufacturer's Part Number
    Flat Ink / 15" 03-1441 BL
    Flat Ink / 17" 03-1442 BL
    Flat Ink / 19" 03-1443 BL
    Flat Ink / 21" 03-1444 BL
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