B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
B62L1/00—Brakes; Arrangements thereof
B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
B62L1/08—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving radially relative to the wheel
Dispositif mecanique de variation, sur un tour de pedale, du nombre de tours de la roue arriere d'une bicyclette a l'aide d'un seul pignon et d'un seul plateau