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2016 Specialized

Fuse Comp 6Fattie

A 27.5″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour RAIDON
Wheels27.5″ Aluminum
Drivetrain1 × 10
GroupsetX7, X5
BrakesTRP Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

22 mph

Fuse Comp 6Fattie

27 mph

Similar Bikes

Highest gear

(descending)

Reviews

Summary

The Specialized Fuse is a highly capable cross-country bike that excels in climbing and handling, offering a unique blend of fatbike-like traction and trail bike-like agility. Its playful geometry and reliable components make it a fun and economical choice for riders looking to tackle a variety of trails without the maintenance of full suspension. While the 6Fattie tires provide excellent traction, they can feel sluggish compared to narrower options, and some components may not meet expectations for the price.

Pros
  • Climbs incredibly well

  • Fatbike-like traction and trail bike-like handling

  • Playful and easy to coax from one corner to the next

  • Well-constructed aluminium frame

  • Reliable, economical parts

Cons
  • 6Fattie tires are a little sluggish compared with normal 2.3-inch-wide rubber

  • Rear tyre prone to sliding out on corners

  • Raidon fork is a spec disappointment for the price

Key Quotes
The Fuse climbs incredibly well.
BIKE Magazine logoBIKE Magazine
Ignore the spec, this is a capable plus-hardtail ideal for letting loose on fast flowing trails.
BikeRadar logoBikeRadar
The Fuse is an exceptionally fun bike that delivers without a huge outlay of cash.
MTBR logoMTBR

Feedback?

View all reviews

Cyclist
Specialized Fuse Expert 6Fattie review

Aug 2017 · Joseph Delves

A monster-tyred trail machine that's ideal for high-mileage off-road missions

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Bikerumor
Long Term Review: Specialized Fuse Expert Carbon 6Fattie mountain bike

Feb 2017 · John Herron

Specialized has peppered it’s lineup with “Plus” bikes, and its Fuse lineup is helping bring new life to the hardtail by combining trail bike nimbleness with near fat bike traction. Using modern trail bike geometry and a dropper post, the Fuse rides a lot like a small-travel full suspension rig. I didn’t expect to be this …

Read Review

BikeRadar
Specialized Fuse Comp first ride review

Dec 2016 · Rich Owen

But plus-bikes like the Specialized Fuse Comp are more than just boisterous playthings — despite their portly appearance, the best of them are capable of going seriously damn fast.. .

Read Review

MTBR
Specialized Fuse Expert Carbon 6Fattie review

Nov 2016 · Nick Legan

Hardtails aren’t dead. Not by a long shot. Specialized’s new Fuse Expert Carbon 6Fattie proves that thanks to its fun geometry, excellent parts spec, and agreeable price point. - Mtbr.com

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BIKE Magazine
Review: Specialized Fuse Expert 6Fattie

Apr 2016

We test out a plus-size hardtail, the Specialized Fuse Expert 6Fattie.

Read Review

Flow Mountain Bike
Tested: Specialized Fuse Expert 6Fattie

Jun 2015

3″ tyres on mountain bikes. Yes, ‘semi fat’ is now officially a thing. Get used to it, we’ll be seeing ‘semi fat’ bikes popping up a lot as we roll toward 2016. The new standard will surely provoke heated discussions and much throwing of hands in the air. But for now we’ll cast all opinions …

Highs
  • Boat loads of fun.

  • All the excitement of riding a hardtail.

  • Traction!

  • Corners and climbs anything in its path.

Lows
  • Sluggish on buff trails.

  • Clunky Manitou fork.

  • Pricey for the spec.

Read Review

Enduro Mountainbike Magazine
First Ride | The all-new Specialized Fuse Expert – the hardtail comeback?

May 2015 · Laurenz Utech

First Ride Specialized Fuse with 6Fattie Ground Control plus size tyres. Trail Days.

Read Review

Specs
Build
Frame

Specialized M4 Premium Aluminum, 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

BB StandardBB30, Press Fit

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

Travel100mm

Spring TypeAir

Bottom Bracket

BB30, sealed cartridge bearings

Headset

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

Stem

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

Handlebar

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

Saddle

Body Geometry Henge Comp, thin padding, hollow Cr-Mo rails, 143mm

Seatpost

TranzX dropper, internal cable routing, remote lever, 30.9mm, S: 80mm travel, M/L/XL: 100mm travel

TypeDropper

Pedals

Alloy platform

Grips

Specialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness

Groupset
Rear Derailleur

SRAM X7 Type 2.1, 10-speed, long cage

Crank

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

Shifters

SRAM X5, 10-speed, trigger

Cassette

Sunrace, 10-speed, 11-40t

Chain

KMC X10L, 10-speed w/reusable MissingLink

Brakes

Front: TRP Slate X2, hydraulic 4-piston disc, I-spec compatible, metallic pads, 203/180 rotor, Rear: TRP Slate X2, hydraulic 2-piston disc, I-spec compatible, metallic pads, 180/160mm rotor

TypeTRP Hydraulic Disc

Brake Levers

TRP, hydraulic, tooled reach adjust

Wheels
Rims

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

Spokes

Stainless, 14g, black

Front Hub

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

Rear Hub

Specialized disc, alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h

Tires

Front: OE Purgatory Control -60 78-584 650b x 3.0"", 60 TPI, Rear: Specialized 6Fattie Ground Control, 60TPI, 2Bliss Ready, folding bead, 650bx3.0""

Rider Notes
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First added July 9

Last updated July 9

Not listed for 2,521 days