jairaj Where do you want the stiffness in the fork?
If you want torsional stiffness then go for the 20mm option.
If you want fore and aft stiffness go for tapered steerer. The axle won’t effect this so will be fine with even a normal QR.
I’m going to test this theory soon. I had some 1-1/8″ 20mm Rev’s but I found them a bit flexy/twangy. I’ve just bought some with a 1.5″ steerer to see if that’s any different… wish me luck!
Hora… you can’t ride a bike without forks so just buy something and enjoy the honeymoon new-kit-period before worrying about innevitable upgradeitus. If the Sektor R 20mm really is the same as the old Pike then they are great forks… the dual-flow/push updrades and all that only came later when people realised the limitations of the damping… but the old Pike still has an almost cult like following despite the often discussed limitations.
Sektor R 20mm FTW… get it bought and get it ridden 😆