
SHIMANO DURA ACE DI2 11速衝刺輔助波手-SW-R610 / SHIMANO DURA ACE DI2 SHIFT SWITCH-SW-R610
-Right shifter - shift down the cassette
-Left shifter - shift up the cassette
-Quick rear shifting while in the drops
-Locate anywhere on the handle bar
-Weight: 10g (Pair)