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2022 Specialized

Fuse M4 Frameset

A 29″ aluminum frame trail frameset.

Manufacturer Price

$1,000
FrameAluminum
Wheels29″
Where to Buy
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Insights
Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes
  • 5'7", size M, Just right
  • 6'0", size LG , Just right
Reviews

Summary

The Specialized Fuse is a versatile trail hardtail that defies typical hardtail expectations with its slack geometry, 130mm fork, and plus-size tire compatibility, offering a fun and confident ride on rough terrain. It's praised for its efficient climbing, comfortable ride, and premium feel, though some note limitations in descending capability and front-end height.

Pros
  • 130mm fork for tackling rough terrain

  • Slack geometry enhances descending confidence

  • Plus-size tires provide excellent traction

  • Efficient climbing with steep seat angle

  • Premium feel at a reasonable price

Cons
  • Low front end limits descending potential

  • Plus-size tires increase steering friction

  • Some cable rattle and chain slap reported

Key Quotes
Most hardtails are cross-country-focused these days, but we wanted Fuse to be the perfect trail riders’ hardtail and excel in rough, steep, and technical terrain similar to a full-suspension bike but at a fraction of the cost.
Bicycling
The Specialized Fuse 27.5 is the Big S’s cheapest hardcore hardtail.
BikeRadar logoBikeRadar
A fast, fun and efficient alloy hardtail, but best of all it doesn't shake the life out of you on rougher trails
MBR logoMBR

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BikeRadar
Specialized Fuse 27.5 (2021) review

May 2021 · Alex Evans

A premium-feeling bike that’s most at home cruising comfortably around trail centres

Highs
  • Comfortable contact points improve overall ride feel

  • Impressive fork that handled everything I could throw at it

Lows
  • Low front end limits descending potential

  • Not as capable on the trail as its geometry hints at on paper

Read Review

Bicycling
Want the Most Fun You’ll Ever Have on a Hardtail? Ride the Specialized Fuse Comp 29.

Mar 2020 · Riley Missel

Credit to the slack geometry, ample maneuverability, and a fork with plenty of travel.

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MBR
Specialized Fuse Expert 29 review - MBR

Jan 2020 · Alan Muldoon

The new Specialized Fuse Expert 29 lends a lightweight alloy frame with 29in wheels and a 130mm fork. Ther most aggro trail hardtail.

Highs
  • High-tech frame design

Lows
  • Front end is too low

Read Review

Mountain Bike Action
MBA Bike Test: Specialized Fuse Expert 29

Nov 2019 · McCoy

Far from entry-level performance

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Outdoor Gear Lab
Specialized Fuse 27.5

Aug 2019 · Jeremy Benson

The Specialized Fuse 27.5 rode away from the competition in our budget mountain bike test. This is hands down the best budget hardtail we've tested...

Highs
  • Solid all-around performance

  • Meaty tires

  • Modern geometry

  • Fun on a wide range of terrain

Lows
  • Big tires can feel a little slow rolling

  • Seat post is too short

  • No chain stay protection

Read Review

BIKE Magazine
First Ride: Specialized Fuse Expert 29

Jun 2019

The newly modernized Fuse hardtail just got a more aggressive spec, geometry and price point ... but not too aggressive.

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off.road.cc
Specialized Fuse Comp 29 review

Jun 2019

Specialized's Fuse Comp 29 is a 130mm trail hardtail that blends balanced handling with some very neat features. It's got a very respectable spec list for a shop bought bike, but dedicated distance sluggers will find it too heavy and those after techy thrills will find the geometry a bit tame. The best mountain bikes you can buy for under £1,500 - full sus and hardtails Is it worth converting your mountain bike to tubeless?

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Singletrack World
Review | 2020 Specialized Fuse Comp 29

Jun 2019 · Wil Barrett

The 2020 Specialized Fuse Comp is a new-school hardtail ripper with a 130mm travel fork, 2.6in tyres, and modern trail-oriented geometry.

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Geometry
Specs
Build
Frame

Specialized M4 Premium Aluminum, 148mm thru-axle, adjustable dropout, SS compatible, tapered head tube, internal cable routing

ColorGloss Light Silver / Brushed Dream Silver / Gloss Black

Rider Notes
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First added November 5

Last updated April 15

Not listed for 779 days