hat
2. 25T adopte portant byen fò olye ke yo rele kote yo pote (kwiv portant) ak sa a fè plis usure rezistan de transmisyon a ak kapab anpeche bri levye yo te koze pa kwiv kote yo pote degradasyon.
eng
2. 25T adopts rolling bearing instead of sliding bearing (copper bearing) and this makes the transmission gear more wear-resistant and avoids loud noise of gears caused by copper bearing abrasion.