Get this H-Bar and you won't need to find out

inner cover

Not compatible with XTR M9000 or XT M8000

The all-new compact upper slider has a co-molded soft rubber interior to cut down on noise

At only 30g

Wolf Tooth 4 Bolt Alloy Drop-Stop Chainring - 104 BCD - Oval - Black - 34T PDP|Colour Get this H-Bar and youIf you are in need of a 4 Bolt Chainring, chances are Wolf Tooth have an option to suit. Made from a high grade 7075 T6 aluminium Wolf Tooth's Drop Stop Chainrings are one of the best performing and longest lasting wide narrow chainring options on the market. Chain Retention Technology: Drop Stop technology is Wolf Tooths patented wide narrow chainring design. The wide side of the tooth has maximum contact on the drive side which spreads the load and