hat
Dezyèmman, nimewo kontak dan oswa kontwòl nimewo a dan ant chèn ak cogs nan dèyè 17T derayeur se pi plis pandan Kovèti pou déplacement, li jis renmen zongle mitan an ak de pati yo nan kèk baton, pi gwo a levye a kontwòl, pi fò nan pouvwa a kontwòl.
eng
Secondly, the contact tooth number or control tooth number between chain and cogs of rear derailleur 17T is more during gear shifting, it just like to pinch the middle and two sides of some sticks, the larger the control lever, the stronger the control power.