Shimano Spool
Clicker Upgrade
Clicker upgrade for a stronger positive sound
POWER AERO 14000 XTB / XSB
ULTEGRA XTD / XSD / XSC /XTC
BBTR XTB LC
WHEN FITTING DO NOT OVERTIGHTEN SCREW.
DOES NOT FIT AERO TECHNIUM MGS
We can fit these for a small charge if you wish.