KMC 104BCD Narrow Wide Steel Chainring - -

Chainring for 4-arm spiders with BCD 104 mm, narrow-wide tooth profile for a secure chain retention, quality steel.

• For cranksets with spider 104 BCD
• Maximum efficiency which saves battery
• Perfectly matched to KMC chains
• e1 / e8 / e9 / e10 / e11 / e12
• Not compatible with 12-/13-speed flattop chains
• Size: 1/2"" X 11/128""
• Tooth options: 34t, 38t