Chainring Race Face Narrow Wide 104 mm B.C.D. 34T Black
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- Narrow Wide tooth profiling ensures ultimate chain retention
- Stiff 4mm plate thickness and I-beam construction transfer loads without flexing
- 7075-T6 aluminum, aerospace grade strength
- Reversible laser etched graphics.
- 104 Bolt Circle Diameter
- 9, 10, 11 and 12 speed compatible