MCS Alloy Spider Chainring 39T – Blue/Black


This MCS Bicycles 33T chainring / spider combo is a great looking sprocket set for that 29″ bike!

– Set includes a black anodized 33T chainring, a 110 bcd anodized spider and chrome plated steel chainring bolts.
– The spider has a 24mm bore hole that fits 1-piece cranks as-is, or 19mm cranks with 24mm to 19mm adapter (sold separately)
– The chainring is compatible with 1/2″ x 3/32″ or 1/2″ x 1/8″ chains

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