Probably the best shifters on the market, from Asher Racing.Great quality and durability. Adjustable hardness to suit your needs. Pair of paddle shifters for road and motorsport applications cnc machined out of high strength automotive aluminium magnetic snap action – actuation force adjustable in a wide range durability – microswitch nominal lifetime = 1 million operations (shifter tested for 2 million operations without mechanical or electrical failure, test rig still running…) IP67 sealed switch, potted wire leads small dimensions for ergonomic wheel integration (small rims vs. large quick release) lightweight design

Note 

GT is the wide lever