SHIMANO FC-M311-L Crankset for 7/8 Rear Speeds w/ chain guard Chain Rings:42-32-22 The Echo RO™ Water Filter

The Echo RO™ Water Filter Machine is a state-of-the-art tankless reverse osmosis (RO) system that delivers clean

- Height Range: 76 mm - 248 mm

Processor Model: Apple M1 chip

11bgn & AC1200

SHIMANO FC-M311-L Crankset for 7/8 Rear Speeds w/ chain guard Chain Rings:42-32-22 The Echo RO™ Water FilterOUTER RING MATERIAL Steel AXLE LENGTH OF BB LL123 THREADED BB SHELL WIDTH 68,73 CRANK ARM FINISH Painted COMPATIBLE BB TYPE Square Taper MIDDLE RING MATERIAL Steel GEAR ARMS 4 COMPATIBLE CHAIN HG 8 7 speed SERIES Altus INNER RING MATERIAL Steel GENERATION M311 CRANK ARM LENGTH 170,175 CHAIN RING COMBINATION 42 32 22,48 38 28 CRANK ARM MATERIAL Aluminum