Shimano Saint M820 1x10 Speed Trigger Shifter Advanced DH ergonomics including longer levers (+5mm) and textured paddles combine with low friction ball bearings to reduce shifting effort on this gravity specific shifter. Designed specifically for Shadow Plus and Vivid indexing, these shifting enhancements reduce base shifting effort by up to 37%, so that on-trail shift effort is as light as ever. Instant, effortless shifts create a whole new paradigm for the most durable, gravity-ready drivetrain on the market. Premium functions include instant release, multi release and 2-Way release. Features: Saint Rapidfire Plus Shift levers with versatile positioning ability, optimized for 1-finger braking with crisp instant shifts Multi Release allows multiple gear changes from both levers with one sweep, further adding to the speed of shift 2-way release: the upper lever still performs the same shift function, but it can now swing in either direction allowing it to be released by the thumb or index finger Instant Release for super fast shifting performance, delivering the chain to the next sprocket or ring the moment the shift is actuated with no hesitation Multi-bearing design uses two ball bearing units to provide a low-friction and reliable shifting action Short release lever stroke for crisp shifting action One piece lower alloy thumb release lever increases durability and gives sharp precise shifts 2nd generation I-spec-B design is developed to attach directly to I-spec-B brake levers For use with 10-speed Dyna Sys drivetrain only Multi-position adjustable handlebar clamp for custom lever positioning. More details pls see picture. If my phone off,pls email me,maybe I oversea.thanks. My shop at teluk intan,perak.area around super market TF. Email:edwind38001@hotmail.com Tel:012-572 9321