Retrospec Koda 12" Kids Bike spd Rotor Mount: Centerlock

Rotor Mount: Centerlock

Designed for flat-sided tubes up to 23mm thick

Brake Type: Hydraulic Disc

(1) Rival AXS 12-Speed Rear Derailleur

Phosphate coated steel gears and lockring

Retrospec Koda 12" Kids Bike spd Rotor Mount: CenterlockGrows With Them This bikes wide range of adjustable seat height, extending from just 15. 5 up to 18. 5, can accommodate small riders and their growth spurts, so little cyclists can keep riding comfortably as their bike grows with them. Optimized Pedaling Pedaling on this bike is intuitive and efficient, with a gain ratio of 3. 5. Every pedal stroke adds speed (gain) with just the right amount of energy (ratio) needed to propel them, resulting in