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Origin8 Holdfast Direct 1x Chainring Boost 28T 10/11/12s Black
- Narrow/Wide tooth design for chain retention on 1x systems
- 10, 11, or 12 speed compatible
- Mud clearing channels
- CNC AL7075 Swiss Alloy
Direct Mount Teeth:
28T, 30T, 32T, 34TType:
10/11/12sp Tooth Type:
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