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Radio Zuma 20 Bike

Radio Zuma 20 Bike
  • Color: Black
  • Color | Size: Black | 20-inch
  • Color | Size: Yellow | 20-inch
Color: Black
Size: 20-inch
Please select options Unavailable
This item might not be shippable, however it can be purchased online and picked up in-store at your convenience. Please call the store to see if shipping is available.


With a full range of sizes from 14” for the first-time rider, all the way through to a 26” wheeled machine for the aspiring rookie, there is a ZUMA for every rider. These carefully spec’d bikes feature a super lightweight alloy frame and fork with double wall rims and children specific aftermarket components from Promax, KMC, FSA, Vee Rubber and Satori, making them suit the rider’s size perfectly, but look, feel and ride just like a high-end full adult size MTB.


Frame Radio Zuma 20 frame, 6061-T6 alloy
Fork Radio Zuma 20 straight rigid fork, 6061-T6 alloy
Hubs Front: Radio disc hub, alloy shell, loose ball, QR crmo axle, 20h
Rear: Radio Zuma disc cassette hub, alloy, sealed, QR, 20h
Tires Vee Tire Crown Gem, 2.25"
Bottom Bracket Radio BB set, BSA, square taper, sealed bearing
Crankset Radio Zuma 3pc crank, forged alloy, 145mm length
Chainrings Radio sprocket, steel, 32t, narrow wide
Cassette/Freewheel MICROSHIFT 12-28t, 7speed
Chain KMC chain, Z1 narrow type, 1/2" x 3/32"
Brakes Promax DSK-310 mechanical disc front & rear brake
Brake Levers Promax BL-367 lever, alloy
Handlebars Radio Zuma 20 bar, 6061-T6 alloy, 31.8mm bar bore, 1" rise
Tape/Grips Radio Zuma grips, 110mm, flangeless
Stem Radio Zuma 45 frontload stem, alloy, 45mm reach
Headset FSA A-headset, loose ball
Seatpost Promax SP-2019 seat post, alloy, multi-adjust, 300mm
Saddle Radio Zuma 2024 railed seat
Pedals Radio JUNIOR pedals, nylon

* Subject to change without notice.