- Replaces the existing chainring and spider on e*thirteen TRS cranks
- Oval rings help the rider to spin smoother and more efficiently
- Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind
- Not for Shimano 12spd Hyperglide+ chain
- Chainline 49mm
- Designed in UK, manufactured in Poland
- CNC machined 7075T aluminum
- 58g (30t)
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