RADIO Zuma 20 Complete Bike
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The Zuma 20 Complete Bike.
Buying a bike for your child can be daunting, that’s why we developed the Zuma range to make it that much easier. Based on the concept of a kid-sized MTB bike, the Zuma bikes are incredibly lightweight, with carefully researched geometry and designed specifically around smaller riders as the perfect balance between a bike for a child to learn the basics on, and a more advanced MTB for off-road riding conditions for weekend rides with the parents.
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 bike 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. Children are the future, and the Zuma line is designed to give them the best possible start in for that future.
Specifications
- Frame: RADIO “ZUMA 20” frame, 6061-T6 alloy
- Fork: RADIO “ZUMA 20” straight rigid fork, 6061-T6 alloy
- Bars: RADIO “ZUMA 20” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
- Grips: RADIO “ZUMA” grips, 110mm, flangeless
- Stem: RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
- Headset: FSA A-headset, loose ball
- Lever: PROMAX “BL-367” lever, alloy
- Brakes: PROMAX “DSK-310” - mechanical disc front & rear brake
- Cranks: RADIO “ZUMA” 3pc crank, forged alloy, 145mm length
- Bb: RADIO bb set, BSA, square taper, sealed bearing
- Pedals: RADIO “JUNIOR” pedals, nylon
- Chain: KMC chain, Z1 narrow type, 1/2” x 3/32”
- Sprocket: RADIO sprocket, steel, 32t, narrow wide
- Driver: MICROSHIFT 12-28t, 7speed
- Front Hub: RADIO disc hub, alloy shell, loose ball, QR crmo axle, 20h
- Rear Hub: RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 20h
- Front Rim: RADIO “J25SE” rim, alloy, double wall
- Rear Rim: RADIO “J25SE” rim, alloy, double wall
- Seat: RADIO “ZUMA 2024” railed seat
- Seat Post: PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
- Seat Clamp: RADIO “SLIM” seat clamp, alloy
- Tires: VEE TIRE “CROWN GEM” tires, 2.25” front & rear
- Weight: 9.85kg / 21.72lbs