Vario are expensive but the quality is second to none. I've been using the same set for 13 years / 4 different bikes; '05 RT, '07 K1200GT, '09 K1300GT, '12 K1600GT.
I've always used 3 fingers for the clutch, e.g. the shortened Vario lever has no impact on effort and 2 fingers on brake, covered 24/7.
Unfortunately BMW changed the lever mounting around '13-'14 requiring a different Vario lever.
Duane: '12 K1600GT/WL EngineBars//Wilbers/VarioLevers/ cbdaneAmber /BajaDesigns LED/PDM60/Remus Headers/GPR Exhaust/BST Carbon Fiber Wheels