Rock Machine Storm 20 VB 2026 (Sulfur Yellow)
Product code: K237944|9
Rock Machine Storm 20 VB 2026 (Sulfur Yellow)
A lightweight 20 for beginner bikers. The quality aluminium frame with comfortable geometry will teach little riders the right habits and help develop their riding technique. Shimano 1×6 shifting with a sufficient range for easy rides and tackling the first hills, light rim brakes with sufficient braking power and a cheerful design have a single aim: to make riding more enjoyable for the little ones.
Benefits
- Lightweight aluminium frame and comfortable geometry
- Shimano 1×6 shifting
- Light rim brakes with good braking power
- Cheerful design
| Frame size | 9" |
| BBD BOTTOM BRACKET DROP (mm) | 0 |
| A SEAT TUBE LENGTH (mm) | 230 |
| B EFFECTIVE TOP TUBE LENGTH (mm) | 450 |
| S STACK (mm) | 382 |
| R REACH (mm) | 333 |
| C SEAT TUBE ANGLE (°) | 73° |
| D HEAD TUBE ANGLE (°) | 69° |
| RC CHAINSTAY LENGTH (mm) | 340 |
| G HEAD TUBE LENGTH (mm) | 100 |
| F WHEELBASE (mm) | 842 |
| STEM (mm) | 35 |
| HANDLEBARS | 560/R20 |
| Crankset | 127 |
| Seatpost | 230 |
Additional information
![]() | ![]() | ![]() |
| speeds: | 1×6, 14–28, 200 % |
| frame: | tepelně vytvrzená hliníková slitina 6061-T6, juniorská zábavná geometrie |
| pedals: | Marwi, SP202, s kuličkovými ložisky |
| front wheel / hub: | One1 KTA55F, 24 děr, M9×100 mm, rychloupínák / Stars J19SD, 20 děr |
| rear wheel / hub: | One1 KTA52R, 24 děr, M10×135 mm, Freewheel, rychloupínák / Stars J19SD, 20 děr |
| tires: | WTB Freedom Challenger 20×1, 95 |
| rear derailleur: | microSHIFT RD-M21SS |
| saddle: | Selle Royal Junior |
| chain: | KMC Z8.3 |
| fork: | RST Capa, 1-1/8 / 50 mm |
| brakes: | ráfková Tektro J310 |
| shifters: | Shimano TY SL-RV200-6R RevoShift, 6 r. |
| cranks: | Wheel Top SXB4BL-MS, 28 zubů / Thun Ibex 120 mm, BSA, shell 68 mm |
| cassette: | Shimano MF-TZ500-6, 14–28 zubů |
| manufacturer code: | 803.2026.20005 |
| EAN: | 8592842218412 |
| seatpost: | One1 Alloy, ø 27, 2 mm |
| model year: | 2026 |


















































































































































































































































































































































































































































































