【方程式單車】潮車第一選擇EQUATION SPEED ES-519 ... 方程式單車工坊~單車,自行車,折疊車,小折自行車,公路車,登山車,兒童車. ... 【方程式單車】潮車第一選擇EQUATION SPEED ES-519 FIXED GEAR 單速車可倒騎+腳煞 ...
Bicycle Coaster Brakes - Sheldon Brown ("back-pedalling brakes", "foot brakes") ... by Sheldon "Feet" Brown. Revised ... A coaster brake is a special rear hub for a bicycle, which performs two functions:.
