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Frog Track 58
税込価格¥121,000
Race-ready 20-inch track bike

技術仕様
| Approximate Age | 6-7 years |
|---|---|
| Bike Weight | 6.78 kg (incl pedals) |
| Frame | 6061 T6 heat treated Aluminum alloy, seat tube 12″ (300mm) |
| Fork | 6061 T6 heat treated Aluminum alloy |
| Front Hub | Quando, Aluminum, 15mm, 28 hole |
| Rear Hub | Quando, Aluminum, Flip Flop hub, 15mm track nuts, 28 hole |
| Rim | Aluminium, double wall |
| Stem | 38mm Frog Stem (Can be swapped) |
| Grips/Bar Tape | Cushioned racing tape with caps (supplied in box) |
| Brakes (F&R) | Brakes are not supplied with our Track Bikes |
| Tyres | Kenda K – 1018 rubber 20*1 1/8 Black (ETRTO:451) |
| Accessories Included | Paint plasters, frame protector patches, touch up paint pot |
| Crankset/Chainring | Frog Bikes Patented,114mm, Aluminum straight arm cranks, 36T chainring, black |
| Bottom Bracket | Thun Shorty-ML-SL; square taper, 68/108/107.5 |
| Pedals | Wellgo M189-S, resin platform, single sided, toe clips (small), reflectors, 9/16″ |
| Chain | KMC Single Speed, 1/2 x 1/8 |
| Handlebar | Frog Bikes special L:320mm Aluminium Alloy drop bar in black |
| Brake Levers | Brakes are not supplied with our Track Bikes |
| Saddle | Frog Bikes racing saddle |
| Seat Post | Aluminum, 250mm |
Geometry

| A – Wheelbase (mm) | 820 |
|---|---|
| B – Seat Tube Angle (°) | 75 |
| C – Head Tube Angle (°) | 71 |
| D – Effective Top Tube (mm) | 410 |
| E – Head Tube Length (mm) | 410 |
| F – Chain Stay Length (mm) | 355 |
| G – Seat Tube Length (mm) | 300 |
| H – Bottom Bracket to Floor (mm) | 240 |



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