Praxis - MTB E-Ring Steel Silver PVD 104 BCD 1x NW Chains For the Non-Drive cup to

For the Non-Drive cup to compensate for frame shell width discrepancies

no go"  gauge designed to accurately indicate when a chain is worn out

One oversized spindle to work across every bottom bracket standard

CRANKSET Shimano Deore MT512

Praxis - MTB E-Ring Steel Silver PVD 104 BCD 1x NW Chains For the Non-Drive cup toPRAXIS MTB E RING STEEL SILVER PVD 104 BCD 1X NARROW WIDE Cold forged from case hardened high grade steel, our MTN E Rings are designed specifically for e MTN and longer wear. THREADED These MTN E Rings are female threaded for an M8 chain ring bolt. The M8 CR bolt threads directly into the 104BCD ring for better motor clearance. Buy This If: You want to change gearing refresh the ring on your 104BCD E MTN Spider. Please make sure your spider is 104BCD