Note : Please note that specifications are subject to change without notice, based on component availability and other factors.
The Zuma range from Radio Bikes has been developed to meet the needs of the youngest riders. The geometry of the Zuma 20 is specific to children to make riding on all types of terrain easy and fun. It has an aluminum frame and fork, double-walled rims and other kid-specific components.
The + products:
- Aluminum frame and fork.
- Promax DSK-310 mechanical disc brakes.
- MicroSHIFT 7 speed transmission.
- Child size: 110 to 140 cm.
Details:
| Frame | Aluminum: RADIO ?ZUMA 20? frame, 6061-T6 alloy |
| Fork | Aluminum: RADIO ?ZUMA 20? straight rigid fork, 6061-T6 alloy |
| Gallows | RADIO ?ZUMA 45? frontload stem, alloy, 45mm reach |
| Derailleur lever | MicroSHIFT, 1×7 speed |
| Rear derailleur | MicroSHIFT, 7 speed |
| Crankset | RADIO ?ZUMA? 3pc crank, forged alloy, 145mm length |
| Pinion | RADIO sprocket, steel, 32 teeth, narrow wide |
| Chain | KMC chain, Z1 narrow type, 1/2? x 3/32? |
| Brakes | PROMAX ?DSK-310? – mechanical disc front & rear brake |
| Wheels | RADIO ?J25SE? rim, alloy, double wall |
| Tires | VEE TIRE ?CROWN GEM? tires, 2.25? |
| Handlebar | RADIO ?ZUMA 20? bar, 6061-T6 alloy, 31.8mm bar bore, 1? Rise |
| Saddle | RADIO ?ZUMA 2024? railed seat |
| Saddle stem | PROMAX ?SP-2019? seat post, alloy, multi-adjust, 300mm |
| Child size | 110 to 140 cm |
| Age | 6 to 10 years |
| Wheel size | 20 inch |
MORE INFORMATION
| Gender |
Boy Girl |
| Manufacturer Reference | 01005330121 |
| Wheel Size | 20” |
| Groupset | microSHIFT 7S |
| collection | 2021 |
| Age | 6 – 10 |




















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