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Adapter to make a standard post-mounted attachment system (160mm discs) compatible with 203mm discs
In particular the GP4 offers up an ergonomic approach to wrist pain relief with its pure rubber compound and numerous options for hand positions
It is compatible with 42 and 48T outer chainrings
90 degree for frames with a down tube larger than 51mm diameter/width
SHIMANO SL-M315 RAPIDFIRE LEVER RIGHT 8-SPEED Rim Tape Adapter to make a standardClamp Band Mount Optical Gear Display
