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2024 RADIO

Zuma 24

A 24″ aluminum frame mountain youth bike with modest components and tektro mechanical disc brakes.
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Weight24.9 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels24″ Aluminum
GroupsetmicroSHIFT Mezzo
BrakesTektro Mechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Zuma 24
Other Mountain Youth bikes
Geometry
Specs
Build
Frame

RADIO "ZUMA 24" frame, 6061-T6 alloy

BB StandardBSA, Threaded

ColorsBlack; Yellow; Cobalt Teal

Fork

RADIO "ZUMA 24" straight rigid fork, 6061-T6 alloy

Bottom Bracket

RADIO bb set, BSA, square taper, sealed bearing

Headset

FSA A-headset, loose ball

Stem

RADIO "ZUMA 45" frontload stem, alloy, 45mm reach

Handlebar

RADIO "ZUMA 24" bar, 6061-T6 alloy, 31.8mm bar bore, 1"rise

Saddle

RADIO "ZUMA 2024" railed seat

Seatpost

PROMAX "SP-2019" seat post, alloy, multi-adjust, 300mm x 27.2mm

TypeRigid

Pedals

RADIO "ZUMA" pedals, nylon, crmo axle

Grips

RADIO "ZUMA" grips, 130mm, flangeless

Groupset
Rear Derailleur

MICROSHIFT, RD-M36S, 8speed

Crank

RADIO "ZUMA" 3pc crank, forged alloy, 152mm length

Shifters

MICROSHIFT, TS38-8R, 8speed

Cassette

RADIO sprocket, steel, 32t, narrow wide

Chain

KMC chain, Z1 narrow type, 1/2" x 3/32"

Brakes

TEKTRO "MD280", mechanical disc front & rear brake, 160mm rotors

TypeTektro Mechanical Disc

Brake Levers

PROMAX "BL-42" lever, alloy

Wheels
Rims

Front: RADIO "J25SE" rim, alloy, double wall, 20h, Rear: RADIO "J25SE" rim, alloy, double wall, 20h

Front Hub

RADIO disc hub, alloy shell, loose ball, QR crmo axle, 20h

Rear Hub

RADIO "ZUMA" disc cassette hub, alloy, sealed, QR, 20h

Tires

VEE TIRE "CROWN GEM" tires, 2.25" front & rear

Rider Notes
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First added July 17

Last updated October 18

Not listed for 223 days