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    Fuse 42010 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		BMX
    Frame
    		Steel
    		Steel
    Wheels
    		Aluminum
    Wheel Size
    		20″
    		Tektro Rim
    Drivetrain
    		Single-speed
    Brand Site

    specialized.com

    Summary
    		The Specialized Fuse 4 is a 20″ steel frame bmx bike with tektro rim brakes.

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    Insights
    Gear Range

    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)

    17 mph

    Fuse 4

    Highest gear

    (descending)

    Geometry
    Specs
    Fuse 42010 Specialized
    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

    Bottom Bracket

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

    Headset

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

    Stem

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

    Handlebar

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

    Saddle

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

    Seatpost

    Alloy, 2 bolt, no offset, 25.4mm

    Type: Rigid

    Pedals

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

    Grips

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

    Groupset
    Crank

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

    Cassette

    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""

    Brakes

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

    Type: Tektro Rim

    Brake Levers

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

    Wheels
    Rims

    Fuse SL, double wall w/ eyelets

    Spokes

    2mm (14g) stainless

    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

    Tires

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

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