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We will be closed at 1pm December 23rd.

Closed Christmas Eve, December 24th and Christmas Day, December 25th. Also closed December 26th.

e*thirteen Guidering M (Narrow/Wide) Chainring

e*thirteen Guidering M (Narrow/Wide) Chainring
  • Color: Black
  • Color: Red
Please select options


- Guidering M to fit any 4x104mm BCD crank
- Dual width "M" (narrow/wide) tooth profile engages the chain securely even at extreme angles
- 7075-T6 aluminum construction optimized for all chainguide systems to prevent chain jamming
- 1mm swappable chainline

Part Numbers

Option UPC MPN Store SKU
Black / 32T 04712757579000 CR.M-104.32.K 210000000039
Black / 34T 04712757579024 CR.M-104.34.K 210000002439