Wolf Tooth 4 Bolt Alloy Drop-Stop Chainring - 76 BCD - SRAM XX1 - Round - Black - 30T YGroup_7033421856813 They fit a range of

They fit a range of brakes and are available in 3 different compounds:

There are a large number of bike frames out there that have no chance of being mounted to a mast style bike carrier due to an incompatible top tube design

you may experience chaindrops and/or chainsuck

Width marks for trimming

2 uses two different insert rings to install bearing races on the 1

Wolf Tooth 4 Bolt Alloy Drop-Stop Chainring - 76 BCD - SRAM XX1 - Round - Black - 30T YGroup_7033421856813 They fit a range ofIf 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