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SHIMANO 2X Checkerboard appearance Road bike Gravel bike 11-12s
SHIMANO 2X Checkerboard appearance Road bike Gravel bike 11-12s
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Model |
48T or 50T or 52T or 54T or 56T |
|
Colour |
Black or Silver |
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Made from |
7075-T651 Aluminum Alloy |
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Surface coating |
Anodizing |
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Made with |
CNC milling |
| Timing | 108° after TDC (top dead center) |
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Chainring shape |
Round |
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Compatible cranksets |
SHIMANO 110 BCD 5800 6800 9000 To customize the crank model, please note:(R8000 R7000 R9100 R9200 R8100 R7100) |
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Weight, grams |
166 (48-35T), 174 (50-34T), 200(52-36T), 206 (53-39T), 258(56-42T) |
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Chain compatibility |
Support 11/12 speed Ordinary chain |
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Bicycle shop or dealer contact customer service |
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Which size of an oval should I choose
We always recommend swapping like for like, so if you have a 32T round ring at the moment, you should consider getting a 32T oval. The same applies to our shiftable road ovals, we recommend that you purchase ovals with the same teeth count as your round rings.
How to calculate gear inches for an oval chainring
Exactly same way as for round chainring. You just need to use the nominal size in the calculation of an oval ring you have. That is, if you buy 32T oval you use for calculation 32T size. Reason for this is 32T oval chainring has same circumference as the 32T round. We optimize the shape but not circumference - it stays constant. Distance between each teeth always has to remain at 12.7mm to engage the chain properly. You can use any online calculator to get gear inches for an oval chainring.