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Today’s Deals2026 Frog
Gravel 53
A 20″ aluminum frame general youth bike with mid-range components and tektro mechanical disc brakes.
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| Weight | 19.1 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Aluminum |
| Wheels | 20″ Aluminum |
| Drivetrain | 1 × 9 |
| Groupset | microSHIFT Advent |
| Brakes | Tektro Mechanical Disc |
| Frame | 6061 T6 heat treated Aluminium alloy, seat tube 28cm (11") |
|---|---|
| Fork | 6061 T6 heat treated Aluminium alloy with 3 x accessory bolts per side |
| Bottom Bracket | Neco, square taper, 68/107.5, cartridge bearings |
| Headset | Neco, 1"1/8 semi-integrated threadless with sealed cartridge bearings, aluminium Frog Bikes top cap |
| Stem | Aluminium, 1"1/8, 38mm, 4 bolt clamp |
| Handlebar | 6061 Aluminium, custom drop bar, 340mm |
| Saddle | Frog Bikes, child specific slimline saddle (medium), steel rails |
| Seatpost | Aluminium, micro adjust, 27.2mm Type: Rigid |
| Pedals | Frog Bikes, eco-friendly rice husk & plastic composite, with reflectors, 9/16" |
| Rear Derailleur | Microshift Advent - Short Cage - 9 speed - RD-M6195S |
|---|---|
| Crank | Frog Bikes Patented,114mm, Aluminium straight arm cranks, 32T chainring, black |
| Shifters | Microshift Advent - SB-M090(S) |
| Cassette | Microshift CS-H093, 11-38 Teeth - 9 Speed - Black |
| Chain | KMC X9, 9-speed |
| Brakes | Tektro Mira, Mechanical Disc calliper MD-C400 with Tektro TR160-52 rotors 160mm/160mm Type: Tektro Mechanical Disc |
| Brake Levers | Integrated to gear shifters & Tektro RL570 auxillary levers |
| Rims | KT-DS18 Aluminium, 20", double wall, disc-specific |
|---|---|
| Front Hub | KT-XSF3, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt |
| Rear Hub | KT-XS8R, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt |
| Tires | Kenda K-1047, 20"x1.5", knobbly off road, (ETRTO/ISO 40-406) |
First added March 7
Last updated April 25
Not listed for 37 days