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    Experience next level grip, control and floatation on a hardtail with the Fuse Comp 6Fattie. This is a hardtail built for taking on rough and loose trails. If you’re looking for the simplicity of a hardtail yet want to smash it over rough terrain, have extra grip in the corners and cushioning the 6Fattie is for you.

    You can buy the Fuse Comp 6Fattie through a 0% interest Tredz Finance package.

    27.5+ Wheels

    Making their debut for 2016 are the new 27.5+, aka 6Fattie, wheel size. You have the same diameter wheels as 650b but with wider rims and 3” tyres. To fit these wheels the Fuse requires a plus sized fork and a wider 148mm rear hub. The oversized tyre has a much larger volume which makes the overall diameter similar to that of a 29er.

    Plus sized wheels massively improve your grip through a wider contact patch. This lets you hit the corners faster, making the Fuse ideal for scree-filled switchbacks and loose singletrack.  

    A higher tyre volume allows you to run lower pressures with less risk of pinching the tyre on the rim. This gives you more floatation (cushioning) which acts as extra suspension. This is why 6Fatties are much smoother than other hardtails on rough and tough terrain. Running at lower pressure further increases grip.

    Rolling resistance is slightly increased, but the added grip you get in return more than makes up for this.


    Specialized’s Fuse is built from M4 Premium Aluminium with butted and smooth welds for a lightweight frame with nimble handling. A tapered head tube provides a stiff front end for enhanced steering precision.

    Unique to the Fuse are Diamond Stays. The chainstay splits in two where it joins the bottom bracket. This is to allow clearance for the 3” wide tyre while keeping the stays as short as possible - to improve handling.

    The Fuse 6Fattie has a slack head angle, low bottom bracket and short chainstays for a stable yet nimble ride.

    Internal gear and dropper post routing keeps the lines clean.


    Upfront is an SR Suntour Raidon 650+ air sprung fork with adjustable rebound and compression damping so you can diat it in to match the terrain, and your riding style. 120mm plush suspension travel (100mm on size small) combined with lower pressure tyres is ideal for pinning it over rough singletrack.


    A SRAM 10 speed drivetrain with a wide range cassette offers all the gears you’re going to need to take on trail centre loops and XC adventures. Powerful hydraulic disc brakes allow you to ride confidently in all weather conditions.

    Extra wide WTB i45 Scraper rims offer great support for the 3” tyres and a TranzX dropper post allows you to get athletic on the frame.

    The Specialized Fuse Comp 6Fattie 27.5+ 2017 Features are:

    Frame: Specialized M4 Premium Aluminium, Trail 6Fattie Geometry, fully-butted w/ smooth welds, tapered head tube, tapered seat tube, forged 160mm disc mounts, 148mm thru-axle dropouts, replaceable alloy derailleur hanger

    Fork: SR Suntour Raidon 650+, air spring, S: 100mm travel, M/L/XL: 120mm travel, compression adjust, rebound adjust, tapered alloy steerer, alloy stanchions, 15x110mm thru-axle

    Headset: 1-1/8" upper, 1-1/2" lower, threadless, Campy style, cartridge bearings

    Bars: Specialized Stout, flat bar, double-butted 6061 alloy, 9-degree backsweep, 4-degree upsweep, 31.8mm

    Stem: Specialized, 3D forged alloy, 4-bolt, 6-degree rise

    Shifters: SRAM X5, 2x10, trigger

    Rear Mech: SRAM X7 Type 2.1, 10-speed, long cage

    Speed: 10

    Chainset: Specialized Stout XC, forged alloy, 148-specific chain line, PF30, Cr-Mo spindle, 30T, 76mm BCD spider

    Bottom Bracket: Samox, PF30, sealed cartridge

    Cassette: Custom Sunrace, wide range, 10-speed, 11-40t

    Chain: KMC X10L, 10-speed, w/ reusable MissingLink

    Front Brake: TRP Slate T4, hydraulic disc, 4-piston, metallic pads, 180mm rotor

    Rear Brake: TRP Slate X2, hydraulic disc, dual piston, I-spec compatible, Matchmaker adapter, 160mm rotor

    Rims: WTB Scraper i45 650b, double-wall, 45mm inner width, 18mm deep, TCS tubeless compatible, sleeved, 24/28h

    Front Hub: Specialized Stout XC Pro 110, disc, alloy, cartridge bearings, 15x110mm thru-axle, 24h

    Rear Hub: Specialized Stout XC Pro 148, disc, alloy, loose ball bearings, 12x148mm thru-axle, 28h

    Tyres: Specialized 6Fattie Ground Control, 60TPI, 2Bliss Ready, folding bead, 650bx3.0" Front - Specialized 6Fattie Ground Control, 60TPI, 2Bliss Ready, folding bead, 650bx3.0" Rear

    Seatpost: TranzX YSP03 dropper, internal cable routing, remote lever, 30.9mm, S: 100mm travel, M/L/XL: 120mm travel

    Pedals: Alloy, 1 pc. body, 9/16", w/ reflectors

    Occasionally without notice, manufacturers sometimes change product specifications

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