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2010 Fuse 4

5

1 Reviews

Everything you want and nothing you don't, the X-Games-proven Fuse offers more bang…

Product Details

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Everything you want and nothing you don't, the X-Games-proven Fuse offers more bang for your buck than any other player in the game. Always bomb-proof, high integrity and ultra lightweight, with super-low BBs and compact drive options.

  • Tough Cr-Mo butted fork with one-piece CNC steerer

  • Superlight 60 TPI Rhythm Lite Control tires get the job done and keep weights low

  • Fuse SL 2-piece Cr-Mo hollow spindle cranks for a solid, surefooted, lightweight platform

  • CNC 10t sealed cartridge bearing cassette and reinforced flanges to resist bending from grinds and stalls

  • 28-tooth CNC-cut chainring uses a patented Wave interface that engages the links and bushings for durability

  • 100% Cr-Mo double-butted frame with latest features--integrated headset, MID BB shell and integrated chain tensioning system

Technical Specifications

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FRAMESET

FRAME

100% Cr-Mo, 21"" TT, MID BB shell, tig welded, double-butted and formed DT/TT/ST, externally relieved integrated HT w/ stamped ""S"" logo, gusseted BB yoke, seat-stay mounted U-brake bosses, integrated seat collar, 3D dropouts for 14mm axle w/ integrated axle tensioners

FORK

Full Cr-Mo, 1-1/8"" threadless for integrated headset, heat treated Cr-Mo 1pc. CNC steerer, butted 1.8-1.2mm Cr-Mo 1-1/4"" blades, 5mm HT Cr-Mo dropouts for 14mm axle w/ gussets

HEADSET

FSA Impact, 1-1/8"" threadless, integrated

SEAT BINDER

Cr-Mo seat pin, allen key type

WHEELS

REAR TIRE

Specialized Rhythm Lite Control, 20 x 2.1"", DC, 60TPI, aramid bead

INNER TUBES

Schraeder valve

RIMS

Fuse SL, double wall w/ eyelets

FRONT HUB

Fuse SL, 36h, 2x sealed cartridge bearing, mid flange, hollow 14mm axle

REAR HUB

Fuse SL, 36h, cassette w/ 10t cog driver, 4x sealed cartridge bearing, mid flange, 14mm hollow axle

SPOKES

2mm (14g) stainless

FRONT TIRE

Specialized Rhythm Lite Control, 20 x 2.1"", DC, 60TPI, aramid bead

DRIVETRAIN

FREEWHEEL

Joy Tech, 1/2"" x 1/8"" x 10t Cr-Mo, cog driver integrated w/ rear hub

CHAIN

KMC KOOL K-710 SL, 1/2"" x 1/8""

CRANKSET

Fuse SL 2pc., 175mm length, tig welded and heat treated Sanko Cr-Mo arms, hollow 19mm x 152mm 8-spline spindle

CHAINRINGS

CNC cut 6061 28t w/ Motostar design and patented Wave Interface designed specifically for KMC KOOL K-710 chain

BOTTOM BRACKET

Mid BB, 2x cartridge bearing, alloy cone spacers w/ 19mm spindle

COCKPIT

STEM

Fuse SL, forged alloy, 2pc. moto-style clamp, top load, 50mm extension, 1-1/8"" A-Head

HANDLEBARS

Cr-Mo 2pc., 675mm wide, 205mm rise, 12 degree back, 3 degree up sweep

GRIPS

Fuse Locking Grip, inner clamp on style, Kraton surface, alloy bar ends

SADDLE

Fuse SL, super light foam, hollow 8mm Cr-Mo rail w/ rail brace tube

SEATPOST

Alloy, 2 bolt, no offset, 25.4mm

BRAKES

REAR BRAKE

Tektro FX-15, cold forged, double bushing, linear spring, 15mm offset arms, soft compound pads

BRAKE LEVERS

Tektro 275A, cold forged two finger lever, 15mm cable pull

ACCESSORIES

PEDALS

Specialized Lo Pro A1, 9/16"", sealed cartridge bearing, alloy platform, removable pins

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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1620.51920.7521
Rake29mm29mm29mm29mm29mm
Top Tube Length (Actual)423mm524mm483mm529mm535mm
Seat Tube Length, Center to Top207mm242mm238mm255mm239mm
Bottom Bracket Height238mm279mm279mm283mm279mm
Standover Height474mm573mm561mm570mm560mm
Head Tube Length100mm100mm100mm110mm110mm
Head Tube Angle73°74.25°74.25°74.25°74.25°
Chainstay Length299mm349mm347mm352mm347mm
Seat Tube Angle70°72°72°72°72°
Seatpost Length0mm0mm0mm0mm0mm
Geometry

Rider Reviews

5

1 Reviews

 

Still running solid since 2007

Got the 2007 version of the Fuse 4 - still love it and it's still running strong with scrapes and a few minor dings. Parts were built to last - most of the bike is OEM - this year replaced whole brake system, grips, upgrading the headset bearings, and getting new handle bars. Looking at modern bikes in 2020 - this has nearly every desirable feature - and already has hollowed out parts to reduce weight. Its a shame Specialized doesn't make Fuse 4 anymore - or I would be buying a new one. (2007 has the best frame paint job).


Name:
Fuse B.

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