... ,XXL,XL,L,H,XH,XXH,T2.5,T5,T10,T20,AT5,AT10,AT20)Feature•It may solve the problems such ... part and the slave drive part when using the gear.•Glass fiber as tensile member.no elongation of rubber belt. •Excellent ... ,XXL,XL,L,H,XH,XXH,T2.5,T5,T10,T20,AT5,AT10,AT20)