SHIMANO's SM-EW90-A 3-port Junction A mounts neatly to the bike stem and connects with E-TUBE wires from DI2 shifters and the downtube junction wire

make it a top choice for cyclists seeking optimal performance

Item name Hydraulic road disc brake caliper assembly

Crank Length - 165mm

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ceramicspeed pulley wheels for shimano 11s SALE SHIMANO's SM-EW90-A 3-port Junction APulley Wheels for Shimano 11s Improve the performance of your 11 speed Shimano rear derailleur with pulleys that reduce friction and increase bearing life. Ours are designed to work with less friction, adding to the power transmitted to the rear wheel. There are choices available to best meet your needs. Machined aluminum pulleys with our Standard Bearings, which consist of our stock CeramicSpeed Balls installed in our hardened steel races is the