SHIMANO R9100 BCD (4-bolt AERO) Round Narrow Wide Chainring
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Model |
46T or 48T or 50T or 52T or 54T or 56T or 58T |
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Colour |
Black |
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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 |
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Chainring shape |
Round |
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Compatible cranksets |
110 BCD (4-bolt AERO) SHIMANO R9100 |
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Weight, grams |
118 (46T), 119 (48T), 137 (50T), 155 (52T), 171 (54T), 184 (56T), 194 (58T) |
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Chain compatibility |
Standard 12 speed |
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Support paying an extra $10 to customize the same silver color
Bicycle shop or dealer contact customer service
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PASS QUEST NARROW WIDE CHAINRING
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Customer Reviews
Good price and fast shipping
Ordered a 58T and a 46T for Ultegra. Looks very good quality. Very well packed.
PASS QUEST SHIMANO R9100 BCD (4-bolt AERO) Round Narrow Wide Chainring
PASS QUEST SHIMANO R9100 BCD (4-bolt AERO) Round Narrow Wide Chainring
PASS QUEST SHIMANO R9100 BCD (4-bolt AERO) Round Narrow Wide Chainring
FAQ
Continuous upgrading and optimizationSending our products out to almost anywhere in the world is just as exciting for us as it is for you.
However if your shipping destination is not included in EU duty free agreements e.g. Canary Islands, additional fees may apply (customs at the border).
Worldwide customers usually will not have to pay either - but we can’t guarantee that.
Known to us exceptions are Canada, Brazil, Argentina, Chile, Peru, Colombia, Malaysia, Indonesia, Philippines, where customer will have to pay duty and corresponding fees because those customs offices will hold Every single parcel.
Signature is Required at delivery. In some instances when according to DHL your address is in "remote area" we will use National Post service. In such case we will inform you about this before sending the goods out. Europe: 9.9eur USA, Canada and Rest of the World: 12$ (or 8.5$ for Post service) UK: 5.49£ Small items like lockrings, bolts are shipped by first class mail (1 - 3.5eur)
How to calculate gear inches for an oval chainrings
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.
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.
