I'm with Gump,Scant,and ameybrook on this one!!
Absolute rubbish!!!!.. I found myself accidently changing gear when chucking the bike about. I tend to get a bit physical...Hands all over the shop!
Shifter's should be either "over" or "under" the bars IMO. Not as part of the grips. Grips are for gripping...Fingers for shifting!! :roll: