Bicycle Chainwheel Double Dual Chainring Circle BCD110  9-11 Speed for Shimano UT R8000 DA R9100 2x System

Note: The double chainring  is used for Shimano 9-11 speed for 2x System, it is special for shimano 105 R7100 UT8100 DA 9200, bcd110 4 bolts ,other bicycle can not be used ,Please make sure your application before place the order, thanks!

Features:

Be used for 9-12 speed chain double chainring 2x system.

BCD110 4 bolts

Materail:Al7075-T651

full CNC made

thickness:4mm

compatible with Shimano UT R8100 DA R9200 

Teeth: 50T/34T 52t/36t

Color:Black

circle chainring

compatible with 9speed ,10speed, 11speed 12 speed

Package include: 1 set of double chainring (crank is not  included)