Hardened Steel

5mm or 0mm flipped

C02 inflator

Full length zipper

hindged for easy access

Wolf Tooth 4 Bolt Alloy Drop-Stop Chainring - 76 BCD - SRAM XX1 - Round - Black - 30T Virtual Parent Hardened SteelIf 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