Shimano 105 FC-R7000 Chainset 34/50 rings 175mm arms Black 11 speed - New. Shimano 105 FC-R7000 double chainset - black. 172.5 or 175 mm long crank arms. Lightweight hollow aluminium crank arms. These are welded unlike Ultegra/Dura-ace which are bonded, so stronger and not under recall notice.
