2020 Specialized

Hotrock 24

A 26″ aluminum frame general youth bike with mid-range components and rim brakes.
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Manufacturer Price

$400
FrameAluminum
SuspensionHardtail, 50mm
Wheels26″ Aluminum
Drivetrain1 × 8
GroupsetTourney
BrakesRim
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Insights
Gearing

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)

21 mph

Hotrock 24

18 mph

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Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Specialized A1 Premium Aluminum, single-butted, unisex frame, replaceable derailleur hanger

BB StandardBSA, Threaded

ColorsLight Silver / Black; Acid Pink / Black; Black / 74 Fade

Fork

SR Suntour XCT-JR, coil spring w/ preload adjust, 1-1/8" steerer, quick-release, V-brake & post-mount disc compatible, 40mm offset, 50mm of travel

Travel50mm

Spring TypeCoil

Bottom Bracket

BSA, square taper, E-type

Stem

20-degree rise, 25.4mm

Handlebar

Double-butted alloy, 5-degree backsweep, 25.4mm

Saddle

Specialized Kids' Henge

Seatpost

Alloy, single-bolt, 27.2MM

TypeRigid

Pedals

Nylon platform w/ reflectors

Grips

Specialized, slip-on

Groupset
Rear Derailleur

Shimano Tourney RD-TX800, 8-speed

Crank

Forged alloy, square taper, 152mm w/ chainguard, Steel, 30T

Shifters

Shimano Tourney, grip shift, 8-speed

Cassette

SunRace, 8-speed, 11-34t

Chain

KMC HV500

Brakes

Front: V-brake w/ tool-less reach adjust brake lever, Rear: V-brake w/ tool-less reach adjust brake lever

TypeRim

Wheels
Rims

24" alloy, 16mm depth, 21mm internal width, 32h

Spokes

Stainless, 14g

Front Hub

Alloy, loose ball bearings, bolt type, 32h

Rear Hub

Shimano Tourney, 8-/9-speed freehub, 32h

Tires

Front: Renegade, 26 TPI, wire bead, 24x2.1", Rear: Renegade, 26 TPI, wire bead, 24x2.1"

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Last updated March 2
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