Shimano Cues FC-U4000-1 Crank Arms - 170mm - 40t - Black Mountain Bike they are reproductions made by

they are reproductions made by a local machine shop

Extensive real world and machine testing have proven this to be one strong stem

Adjustable back stop

This is one Kenda K-1166 tire with a Sun logo on the sidewall

Shimano Cues FC-U4000-1 Crank Arms - 170mm - 40t - Black Mountain Bike they are reproductions made byGrow your confidence riding hard over the rough stuff with this Shimano CUES FC U4000 1 crankset's wide range gearing and seamless pedaling. Works with Cues 9, 10 and 11 speed systems. Dynamic Chain Engagement+ special gear tip shape improves chain engagement and retention for smooth riding over rough terrain Durable and lightweight aluminum crank arms For frames with 68 73mm bottom bracket shells BB UN101 LL123 JIS Square taper bottom bracket