DUALDRIVE TRIGGER SHIFTER FEATURES:
Impulse Technology: Intuitive multi-release actuation
Speeds: 8 - operates the derailleur gear (LH shifter shown)
Gear Indicator: Integrated gear indication & clamp
Alloy body with composite lower cover & stainless steel hardware
Compatibility: and SRAM 1:1® rear derailleur.
Used on 08/09 Dahon Speed TR