Durable A1 Premium Aluminium frame a suspension fork with 50mm of travel & wide range gearing make the Hotrock 24 21-speed trail-ready for big kids.> A1 Premium aluminium frame for 24" wheels with low standover height plus 50mm-travel fork with preload adjust for all-terrain fun> Specialized Roller tyres provide a knobby grip for dirt but roll easily on pavement> Versatile triple crankset with forged alloy arms plus Shimano 7-speed 14-28t freewheel for lighter weight & efficiency while a chainguard to keeps trouser legs clean while riding> Shimano Revo 7-speed twist shifters allow easy safe gear changes without switching hand positions on the bar> Kids Body Geometry saddle is durable & comfortable & fits young riders perfectly> Lightweight alloy riser bar & Ahead stem puts kids in a comfortable & confident position FRAME Specialized A1 Premium Aluminium 24" frame front suspension geo formed toptube/downtube forged dropouts alloy replaceable der. hanger FORK SR Suntour SF10-XCT-JR-P24 1pc alloy lower coil/MCU spring 1-1/8" Hi-Ten steerer direct press type dust seal for both V+ Disc brake mount preload adjust 50mm travel HEADSET 1-1/8" threadless cartridge w/ seals STEM Alloy Ahead 4 bolt 20º rise 25.4mm clamp HANDLEBARS Alloy riser bar 25mm rise 10º backsweep 4º upsweep 25.4mm GRIPS Specialized Kraton Revo type FRONT BRAKE "V" brake alloy linear pull 1pc. pad REAR BRAKE "V" brake alloy linear pull 1pc. pad BRAKE LEVERS Alloy linear pull compatible FRONT DERAILLEUR Shimano Tourney 31.8mm band type clamp REAR DERAILLEUR Shimano TX-35 7-speed SHIFT LEVERS Shimano RS-35 7-speed Revo Twist CASSETTE Shimano 7-speed freewheel 14-28CHAIN KMC HV500 1/2" x 3/32"CRANKSET Forged alloy arms w/ chainguard CHAINRINGS 42/34/24 steel w/ chainguard BOTTOM BRACKET Water sealed loose ball 68mm x 128mm PEDALS Composite platform w/ reflectors 9/16"RIMS 24" alloy single-wall pin joint 32h FRONT HUB Alloy nutted axle 32h REAR HUB Alloy freewheel type nutted axle 32h SPOKES Stainless 2.0mm (14g FRONT TYRE Specialized Roller 24x 2.125" wire bead 30TPIREAR TYRE Specialized Roller 24x 2.125" wire bead 30TPIINNER TUBES Schrader valve SADDLE Specialized Kids 7mm rail w/ clamp SEATPOST Alloy 27.2mm single bolt SEAT BINDER 34.9mm alloy nylon washer NOTES chainstay protector reflectors clear coat owners manual