40 Series IS41 Tapered S.H.I.S.:IS41/28.6/H9 | IS52/40 Being able to use a

Being able to use a shape that’s nearly 20mm shallower than the competition

0mm chainline

It’s your specially designed tool to do it all… Is that your car breaking into a nervous sweat

thanks to the dual pivot fulcrum design

you take it where you can get it

40 Series IS41 Tapered S.H.I.S.:IS41/28.6/H9 | IS52/40 Being able to use a40 Series Represents the Perfect Balance of Performance, Durability and Value 6061 T6 Aluminum Cover Innovative Clip Seal Seals the Top Assembly and Captures the Compression Ring Interlok Spacer Compatible Sealed Black Oxide Steel Cartridge Bearing Consistent Stack Heights Across 10, 40 and 110 Series Internal Parts Are Cross Compatible Across 10, 40 and 110 Series