- Stone Premium Anodised Aluminium Single 38T x 130BCD Chain Ring.
- Suits Shimano , Sram and other 5 arm crank sets.
- Some cranks may require the use of spacers included for chain clearance.
- (Cranks can be modified if spacers are not used)
- CNC Construction from 7075-T651 Hi Strength Aluminium.
- Suitable for Single Speed Narrow Chains, 1 x 9 - 12 Speed Applications.
- Deep, Wide/Narrow teeth for better chain retention.
- Stiff 4mm Plate.
- 5 x Chainring Bolts and spacers included.
- Hardness HB150, CNC precision to 0.03mm
- Weight 47 Grams, China.
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