Gloss Red Tint / Flake Silver / Silver Foil

2021 Specialized Fuse

Comp 29


The Fuse Comp 29 punches way above its weight class thanks to a light-yet-burly M4 aluminum chassis, frame geometry that lends the bike both playfulness and capability, and parts that withstand a serious flogging.


The Fuse is loaded with smart touches. The wide-diameter down tube boosts stiffness. The low-slung top tube improves maneuverability. And while this Fuse's 29x2.6 tires give it a precise, nimble feel, the M4 aluminum frame is also compatible with 27.5+ wheels and tires.


If you fail to nail the geometry, advanced materials and innovative designs still amount to nothing on the trail. Fuse gets it right. The long reach gives you even weight distribution. The slack head angle lends confidence on sketchy descents. The steep seat angle makes quick work of steep climbs.


• 130-millimeters of plush suspension courtesy of a RockShox Recon RL fork.

• Highlights include powerful Shimano M4100 disc brakes and a TranzX dropper post.

• Shimano Deore M6100 12-speed drivetrain gives you single-ring simplicity and gearing to spare.



Technical Specifications

FRAME Specialized M4 Premium Aluminum, 148mm thru-axle, adjustable dropout, SS compatible, tapered head tube, internal cable routing
SEAT BINDER Alloy, 38.6mm
FORK RockShox Recon RL, air spring, 46mm offset, 130mm of travel
STEM Stout 3D-forged alloy, 31.8mm, 6-degree rise
HANDLEBARS Stout Riser, double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm / 780mm width, 31.8mm
GRIPS Specialized Trail Grips
SADDLE Bridge Comp, Hollow Cr-mo rails, 155/143mm
SEATPOST TranzX dropper, 34.9mm, XS-S: 100mm, M: 120mm, L/XL: 150mm Travel
FRONT BRAKE Shimano M4100, 4-piston, 200/180mm
REAR BRAKE Shimano M4100, 2-piston, 180/160mm
REAR DERAILLEUR Shimano Deore, M6100, 12pd, Shadow Plus
CASSETTE Shimano Deore M6100, 12spd w/Hyperglide+, 10-51t
CHAIN KMC X12EPT, 12-speed, anti-corrosion coating w/ reusable Missing Link™
CRANKSET Stout Pro, forged alloy
BOTTOM BRACKET BSA for 24mm spindle
RIMS Alloy SL, disc only, double-wall, 29mm internal width, 28h, tubeless ready
FRONT HUB Shimano MT410-B, Centerlock 28h, 15x110 Boost
REAR HUB Shimano MT410-B, Centerlock 28h, 12x148 Boost, Microspline
SPOKES Stainless, 14g
FRONT TIRE Butcher, GRID, GRIPTON® compound, 2Bliss Ready, 29x2.6"
REAR TIRE Purgatory, GRID, GRIPTON® compound, 2Bliss Ready, 29x2.6"
INNER TUBES Standard, Presta valve


CRANK LENGTH 170mm 170mm 170mm 170mm 175mm
STEM LENGTH 45mm 45mm 45mm 45mm 45mm
SEATPOST LENGTH 356mm 356mm 406mm 456mm 456mm
SADDLE WIDTH 155mm 143mm 143mm 143mm 143mm
HANDLEBAR WIDTH 750mm 750mm 780mm 780mm 780mm
REACH 400mm 420mm 440mm 460mm 480mm
STACK 625mm 625mm 625mm 639mm 652mm
WHEELBASE 1122mm 1142mm 1162mm 1188mm 1214mm
BIKE STAND-OVER HEIGHT 727mm 747mm 750mm 754mm 793mm
HEAD-TUBE LENGTH 95mm 95mm 95mm 110mm 125mm
FRONT-CENTRE 698mm 718mm 738mm 764mm 790mm
FORK RAKE/OFFSET 46mm 46mm 46mm 46mm 46mm
HEAD-TUBE ANGLE 66.5 66.5 66.5 66.5 66.5
TRAIL 113mm 113mm 113mm 113mm 113mm
BB HEIGHT 315mm 315mm 315mm 315mm 315mm
SEAT-TUBE ANGLE 74 74 74 74 74
FORK LENGTH (FULL) 540mm 540mm 540mm 540mm 540mm
BB DROP 60mm 60mm 60mm 60mm 60mm
SEAT-TUBE LENGTH 340mm 375mm 410mm 455mm 505mm
TOP-TUBE LENGTH (HORIZONTAL) 579mm 599mm 619mm 643mm 667mm


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