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Image Speed | ArmxBCD | Teeth | Color Price Compare Price Sku Weight
e-thirteen guidering M-chainring
- 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 (30t is threaded to accept chainring bolts and does not have this feature)