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Why buy a Frog City 53?
- Lightweight 20-inch geared urban bike with step-through frame
- Small, easy-to-reach brake levers for better control around town
- Comfortable and efficient pedalling with patented Frog cranks
- Youth-specific 8-speed gear shifters featuring FrogFit Technology®
- Floating chain glider for added safety and ease of maintenance
- Free 10-year extended warranty on frames and forks
- Reflectors, mudguard, pannier rack and kickstand included
- Suitable for 5 to 7 years with a recommended inside leg of 49cm-65cm
| Product Safety Certification | ISO 4210 and CPSC 1512 (CFR 1512) |
| Approx Age | 5-7 |
| Wheel Size | 20" |
| Bike Weight | 8.45kg (with pedals) / 9.71kg (with pedals & accessories) |
| Frame | 6061 T6 heat treated Aluminum alloy, seat tube 11" (280mm) |
| Fork | 6061 T6 heat treated Aluminum alloy, seat tube 11" (280mm) |
| Front Hub | Quando, Aluminum, sealed hub, QR, 20 hole |
| Rear Hub | Quando, Aluminum, sealed hub, QR, 20 hole, Shimano type 8/9spd free hub body |
| Cassette/Free wheel | 8-speed, 11-32t |
| Rear Derailleur | Shimano Altus, M310 OR Microshift, Mezzo, RD-M36S, short cage, 8-speed |
| Rim | Aluminum, 20", double wall, machined braking surface |
| Seat Clamp | Aluminum, QR |
| Headset | Neco, 1"1/8 semi-integrated threadless, Frog Bikes top cap |
| Stem | Aluminum, 1"1/8, 38mm, 4 bolt clamp |
| Gear Shifter | FrogFitTechnology®, youth-specific 8-speed with short lever travel and ultraslick gear cable |
| Brakes (F&R) | Tektro 836AL, Aluminum, linear pull |
| Tyres | Kenda K154, 20"x1.5", City, (ETRTO/ISO 38-406) |
| Mudguards | Full length, resin, black |
| Accessories box | Bell, bike reflectors white/red, wheel reflectors orange/white, paint plasters, frame protector patches |
| Crank set / Chainring | Frog Bikes Patented,114mm, Aluminum straight arm cranks, 32T chainring, black |
| Bottom Bracket | Thun Shorty-ML-SL; square taper, 68/113.5 |
| Pedals | Frog Bikes, eco-friendly rice husk & plastic composite, with reflectors, 9/16" |
| Chain | KMC, 8-speed |
| Handlebar | Alloy, 540mm width, 60mm rise, 25º sweep |
| Brake Levers | Tektro JL510, Aluminum, easy reach |
| Saddle | Frog Bikes child-specific saddle (small), steel rails |
| A | Wheelbase (mm) | 870 |
| B | Seatube Angle (Degrees) | 74 |
| C | Head tube angle (degrees) | 71 |
| D | Effective top tube (mm) | 444.5 |
| E | Head tube length (mm) | 170 |
| F | Chain stay length (mm) | 370 |
| G | Seat tube Length | 280 |
| H | BB to Floor (mm) | 216 |
