Na'urar French Fitness Linear Hack Squat za ta inganta ƙafafunku na ƙafafu huɗu, 'yan maruƙa da kuma tsokoki a kusurwar da ke kai hari ga sassan tsoka waɗanda sauran motsa jiki ba za su iya yi ba. An yi ta ne da bututun ƙarfe mai nauyin mm 3 kuma an yi shi da foda mai amfani da wutar lantarki don tabbatar da mannewa da dorewa. Matashin kai masu siffar ƙwallo suna amfani da kumfa mai tsari don samun kwanciyar hankali.
Lura cewa ba a haɗa da faranti na nauyi na Olympic ba kuma ana sayar da su daban.
Karfe 11 Mai Ma'auni.
Bututun ƙarfe mai murabba'i 3 mm.
Kowace firam tana samun kariyar foda ta electrostatic don tabbatar da mannewa da dorewa mai yawa.
Tafin roba na yau da kullun yana kare tushen firam ɗin kuma yana hana injin zamewa.
Matashin kai masu siffar ƙwallo suna amfani da kumfa mai siffar ƙwallo don samun kwanciyar hankali da dorewa.
An riƙe riƙon da abin wuya na aluminum, wanda ke hana su zamewa yayin amfani.
Riƙon hannu wani abu ne mai ƙarfi na urethane.
Nau'in Bearings: Layi Ball Bushing Bearings.