ESTACW-01 SINGLE CHAINWHEEL (THROUGH AXLE) TEETH: 42/45/47/53/56T (ALLOY) ALLOY CRANK: 170MM BB SPINDLE: Ø24MM, CHROMOLY COMPATIBILITY: 10S
ECW-08 OPC CHAINWHEEL TEETH: 28/32/36/40/44/46T
ECW-25 OPC CHAINWHEEL (BRAZIL) TEETH: 32/36/40/44T
ECW-01 OPC CHAINWHEEL TEETH: 28/32/36/40/44/46T
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