Ku mishumi ya ratchet hejuru yinzu yimodoka , buriwese afite impungenge zinyuranye kubijyanye, kandi icyo dukora nukuzamura ibicuruzwa bya buri mukiriya, bityo ubwiza bwimigozi yacu ya ratchet kubisenge byimodoka bwakiriwe neza nabakiriya benshi kandi bwamamaye mubihugu byinshi. Lishenflex imishumi yimisenge yimodoka ifite igishushanyo kiranga & imikorere ifatika & igiciro cyo gupiganwa, kubindi bisobanuro ku mishumi yimbeba hejuru yinzu yimodoka , nyamuneka twandikire.