Hotrock 20 Pro
Part No.  

Hotrock 20 Pro

Part No.  
load-spinner
Designed with little shredders in mind, the Hotrock 20 Pro is purpose built to handle all the single trail you can throw at it, while its durable design and build ensure it will last for years to come.
  • 20" disc-specific alloy wheels are built tough to withstand years of trail shredding.
  • The tough, light, and durable Specialized A1 Premium Aluminum frame is built to last.
  • The SR Suntour suspension fork helps smooth out bumps on either the road or the trail, helping young riders explore in confidence and comfort.
  • Tektro hydraulic disc brakes provide steady and powerful stopping power.

Technical Specifications

DRIVETRAIN
CHAIN KMC X9, 9-speed
BOTTOM BRACKET 68x118mm, cartridge bearings, square taper spindle, double crank stops, steel cups w/ capless bolts
CRANKSET Forged alloy arms, w/ single outer chainguard
SHIFT LEVERS SRAM X4, 9-speed, trigger
CASSETTE Sunrace, 9-speed, 11-32t
CHAINRINGS 36T
REAR DERAILLEUR SRAM X7, 9-speed, short cage
WHEELS
FRONT HUB Specialized, Hi Lo disc, alloy, double-sealed, ground race, QR, 32h
REAR HUB Specialized, Hi Lo disc, double-sealed bearing, QR, 32h
INNER TUBES Standard, Schrader valve
SPOKES Stainless, 14g
RIMS 20"" disc, alloy double-wall, pin joint, 32h
FRONT TIRE Specialized Roller, 30TPI, wire bead, 20x2.125""
REAR TIRE Specialized Roller, 30TPI, wire bead, 20x2.125""
COCKPIT
SADDLE Specialized Kids, 7mm rails, w/ bumper
SEATPOST Alloy, single bolt, 27.2mm
STEM Specialized P.Series MTB, forged alloy, top load
HANDLEBARS Specialized, flat bar, double-butted 6061 alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm
GRIPS Specialized, Kraton, Revo type
BRAKES
FRONT BRAKE Tektro, hydraulic disc, dual piston, 160mm Light Wave style rotor
BRAKE LEVERS Tektro, short reach
REAR BRAKE Tektro, hydraulic disc, dual piston, 160mm Light Wave style rotor
ACCESSORIES
PEDALS Nylon, BMX style, loose ball bearings, 9/16"", w/ reflectors
FRAMESET
HEADSET Ahead, 1/8"" sealed cartridge bearings
SEAT BINDER Alloy, 31.8mm
FORK SR Suntour XCR-AIR, air spring, 65mm travel, preload adjust, 1-1/8"" steerer, mag lowers, Hi-Ten 28mm stanchions, direct press type dust seal, lockout, disc mount
FRAME Specialized A1 Premium Aluminum, formed top tube/down tube, forged dropouts, replaceable alloy derailleur hanger

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