Compare bikes: Compare Specialized Hotrock Boy's 21-Speed Hotrock 24 (2017) vs. Specialized Hotrock Boy's 6-Speed Hotrock 20 (2017) - Findabike
Prices
Retail price
£ 270
£ 250
Specifications
Drivetrain
Chain
KMC HV500, 1/2x3/32"
Crank
Forged alloy arms w/chainguard
Forged alloy arms w/single outer chainguard
Derailleurs
Front: Shimano Tourney, top swing, 31.8mm band clamp - Rear: Shimano Tourney, 7-speed
Rear: Shimano Tourney, 6-speed
Shifters
Shimano Tourney, Revo-style, 7-speed
Shimano Revo-Shift
Cassette
Shimano, 7-speed, 14-28t
Shimano, 6-speed, 14-28t
Frameset
Fork
SR Suntour, coil spring w/preload adjust, 50mm of travel, 1-1/8" steel steerer, 9mm axle
SR Suntour, coil spring w/preload adjust, 40mm of travel, 1-1/8" steel steerer, 9mm axle
Frame
Specialized A1 Premium Aluminum, formed top tube/down tube, forged dropouts, replaceable alloy derailleur hanger
Specialized A1 Premium Aluminum, 20", formed top tube/down tube, forged dropouts, replaceable alloy derailleur hanger
Forged alloy, 20-degree rise, 4-bolt, 25.4mm clamp diameter
Wheels
Hub
Front: Alloy, 3/8" axle, loose ball bearings, dual lock nuts, 17mm contact side, nutted, 32h - Rear: Alloy, loose ball, dual lock nuts, 17mm contact side, steel nutted axle, 32h
Rims
24", alloy single wall, pin joint, 32h
20", alloy single wall, pin joint, 32h
Spokes
Stainless, 14g
Tyres
Front: Roller, 24x2.125", 30TPI, wire bead - Rear: Roller, 24x2.125", 30TPI, wire bead
Front: Roller, 20x2.125", 30TPI, wire bead - Rear: Roller, 20x2.125", 30TPI, wire bead
Brakes
Brakes
Front: V-brake, alloy, linear pull - Rear: V-brake, alloy, linear pull
Components
Handlebar
Specialized, alloy, 6-degree backsweep, 600mm width, 25.4mm
Specialized, alloy, 8-degree backsweep, 4-degree upsweep, 25mm rise, 600mm width, 25.4mm
Grips
Specialized, Kraton rubber, Revo type
Saddle
Specialized Kids', 7mm rails w/bumper
Seatpost
Alloy, single bolt, 27.2mm
Stem
Forged alloy, 20-degree rise, 4-bolt, 25.4mm clamp diameter
Pedals
BMX-style nylon platform w/reflectors