Price: $11.90
(as of May 04, 2025 09:57:41 UTC – Details)
Product Description
104BCD Round Chainring with Bolts
4 Colors to Choose
104BCD Size
104BCD means the diameter of the circle formed by the center of the installation hole is 104mm.
Please confirm that the crank is 104BCD mounting hole before ordering.
Material: Aluminum 7075 & CNC Process, lightweight designColor: black, red, blue, goldenBCD: 104mmSpecifications: 30T,32T,34T,36T,38T,40T,42T,44T,46T,48T,50T,52TSupport 7-12 Speed SystemEach chainring sends with free 4 pairs of bolts
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Customer Reviews
4.5 out of 5 stars 258
4.3 out of 5 stars 61
4.6 out of 5 stars 53
4.3 out of 5 stars 15
4.3 out of 5 stars 30
Price
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$49.90$49.90 $36.90$36.90
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$20.90$20.90
Chainring BCD(mm)
104BCD 104BCD 104BCD 110BCD for 5 Arm 130BCD for 5 Arm
Tooth
30t to 52t 32t to 38t 32t to 38t 36t to 56t 40t to 58t
Sharp
Round/Oval Oval Round Round Round
Colors
Black/Red/Blue/Golden Black/Red/Oilslick Black/Red Black Black
104mm BCD support: Bolt Circle Diameter(BCD) is 104mm. Wrong BCD will not works. This 104BCD chainring support for Shimano M391 M430 M590 M610 M615 M610 M670 M675 M770 M780 M785 M980 M640 M820, and Prowheel, IXF 104BCD crankset.
Aluminum 7075 and CNC Process: Aluminum 7075 ensure it is lightweight but stiffness. Full CNC makes the precision size and nice surface looking. 30-38T is 40-70g only(1.4-2.5oz).
7-12 Speed System Support: Your bike front chainring will be 1x after install this chainring. And rear flywheel cassette may 7/8/9/10/11/12s. 1x system makes your bike more lightweight compare to 3x and 2x.
Upgraded Narrow Wide Tooth: Current tooth shape is 2nd generation narrow wide tooth. With more curve and easy to clean and self-clean from soil. Makes the chainring lifespan more longer.
1 Year Coverage: We offer 1 year Coverage. The package content is chainring and 4 pairs steel bolts.
Customers say
Customers find the chainring to be good value for money, with positive feedback about its functionality, appearance, quality, and ease of installation. They appreciate its chain safety features, noting there are no dropped chains, and like that it comes with mounting hardware. The fit receives mixed reviews – while some say it fits perfectly, others mention it’s slightly smaller than the Sram x5 crankset.
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