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Zuma 20
A 20″ aluminum frame mountain youth bike with modest components and tektro mechanical disc brakes.
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| Weight | 21.7 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Aluminum |
| Wheels | 20″ Aluminum |
| Groupset | microSHIFT M21 |
| Brakes | Tektro Mechanical Disc |
| Frame | RADIO "ZUMA 20" frame, 6061-T6 alloy BB Standard: BSA, Threaded Colors: Black; Yellow; Cyan |
|---|---|
| Fork | RADIO "ZUMA 1620 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 20" 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 Type: Rigid |
| Pedals | RADIO "JUNIOR" pedals, nylon |
| Grips | RADIO "ZUMA" grips, 110mm, flangeless |
| Rear Derailleur | MICROSHIFT, RD-M21SS, 7speed |
|---|---|
| Crank | RADIO "ZUMA" 3pc crank, forged alloy, 145mm length |
| Shifters | MICROSHIFT, TS38-7R, 7speed |
| 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, 140mm rotors Type: Tektro Mechanical Disc |
| Brake Levers | PROMAX "BL-367" lever, alloy |
| 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 |
First added July 17
Last updated October 18
Not listed for 223 days