Premium 1X Sram Direct-mount Oval Boost148 compatible traction chainrings. Fits SRAM and other Boost148 cranks. Also replaces 76bcd chainrings to convert to a direct-mount design.Size (Mass +/-1g):28T (50g), 30T (55g), 32T (59g), 34T(66g)ColorOval: Black,
Premium 1X Sram Direct-mount Oval Boost148 compatible traction chainrings. Fits SRAM and other Boost148 cranks. Also replaces 76bcd chainrings to convert to a direct-mount design.
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Size (Mass +/-1g): |
28T (50g), 30T (55g), 32T (59g), 34T(66g) |
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Color |
Oval: Black, Green, Gold, Red, Purple, Orange Round: Black |
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Compatibility |
Compatible with Boost148 Style cranks/bikes |
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Material |
CNC machined 7075 Txxx Aluminum. |
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Finish |
type II anodizing |
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Chainline |
50mm |
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Ovality |
Optimized per individual chainring size. Range: 10.2-14.4% and Timing of 110.5-116.3 after TDC (top dead center) Patent Pending |
