A chainring that fits directly to your crank with 104/64BCD 4-bolt standard. The chainring is mounted on the inner 64BCD holes. That gives a perfect chainline for Boost and Non Boost rear hubs.
narrow wide standard
Compatible with Boost148 as well.
64 BCD 4-hole standard
Material: cnc machined 7075 T6 Aluminum. Long-lasting construction
Finish: anodized
Tooth Shape: Can be used with singlespeed, 1x9, 1x10 and 1x11 as it fits all chains.
Tooth shape optimized for quiet work.
weight: 40g
colour : black