Originally Posted by xenologer

Obscure but useful info: suntour accushift 6 speed shifters, happen to pull the same amount of cable as a shimano 7speed
just overextend the lever past the final click, and you have access to your 7th gear

currently using suntour 6sp accushift barcons with shimano 7speed cassete, just had to file down the limiter on the shift lever...