Author Cosmic 20 2026 (blue/white)
The Author Cosmic 20 is a kids bike designed with a clear goal – to make kids want to ride it again and again.
A colourful ride full of joy.
For little riders who want a bike thats fun
Light, easy to handle and visually playful, the bike encourages natural movement, a desire to explore and joy in every ride. Whether riding around the house, heading over to friends or going on first longer trips, the Cosmic 20 responds calmly, predictably and without unnecessary effort.
Thanks to balanced geometry and simple controls, the Cosmic 20 is the ideal choice for kids who can already ride on their own and want a bike that keeps up with them and motivates them to ride further. The striking colour design also makes every ride a little adventure.
Ideal for children 115–135 cm tall who want to ride mainly for fun. The bike is available in several attractive colour versions, so every little rider can choose exactly the style that suits them.
Technical features that support fun and ease
- 20" wheels – stable, playful handling for everyday riding
- Suitable for rider height 115–135 cm – a comfortable position for growing kids
- Lightweight construction – easy starts and better control
- Kids frame geometry – a natural position and confidence in corners
- Simple controls – minimal distractions, maximum fun
- Striking design – a bike kids love just looking at
The Author Cosmic 20 is a bike that combines colour, movement and the joy of riding. Its not about performance or kilometres – its about what matters most: making kids want to ride.
Geometry

| size | min. height | max height | s_t_c_t | s_t_c_c | t_t_h | t_t_a | h_t | c_s | w_b | s_t_ang | h_t_ang | f_l | bb_drop | reach | stack | f_r | handlebars | stem | crank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10" | 115 | 135 | 254 | 435 | 90 | 360 | 836 | 73 | 72 | 316 | 10 | 317 | 388 | 35 |
Additional information
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| speeds: | 6 |
| frame: | hliník 20 |
| pedals: | plast |
| front wheel / hub: | QUANDO, 20 děr |
| rear wheel / hub: | QUANDO, 20 děr |
| tires: | KENDA Small Block Eight 20 x 1.50 |
| rear derailleur: | SHIMANO TY200 |
| saddle: | AUTHOR Pilot |
| chain: | KMC Z6 |
| fork: | hi-ten 20 |
| brake levers: | TEKTRO |
| brakes: | TEKTRO V |
| shifters: | SHIMANO Revoshift (6) |
| cranks: | PROWHEEL, 36 zubů, 127 mm kliky |
| cassette: | SHIMANO MF-TZ510-6, 14-28 zubů (6) |
| manufacturer code: | 42963201 |
| EAN: | 8590816089617 |
| seatpost: | Hliník (27.2) |
| model year: | 2026 |


















































































































































































































































































































































































































































































