Questions tagged [chainring-oval]
The chainring-oval tag has no usage guidance.
10 questions
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The rise and fall of oval chainrings?
I remember that sometime after I bought my old touring bike in '84 (so the 90s?), there was a trend of using an oval gear as one of the front three.
This was supposedly to take advantage of where the ...
- 261
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Chain slipping at specific chainring angle
1x11 road bike suddenly starts “slipping” gears without fully jumping gears. I noticed that, only when pedaling backwards in the bike stand, it happened in 180 degree intervals at a specific part of ...
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2
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4
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Are there chainring bolts with covers for SRAM AXS Quarq powermeters for 2x that looks like SRAM's own for 1x?
When building a bike with 12s Force AXS, SRAM/Quarq powermeter, 2x with oval Rotor chainrings, I missed that the supplied bolts with covers (from SRAM/Quarq) where for 1x (i.e. too short and they ...
- 812
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Oval Rotor Q-rings impossible (for me) to dial in on (new) OPEN U.P. with SRAM Force AXS D1 FD
For a long distance dream build, I chose the latest OPEN U.P. frame and a Force D1 groupset with oval Rotor 48/35 Q-rings.
I'm no stranger to setting up oval chainrings since I've had O.Symetric and ...
- 812
3
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3
answers
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Fixing oval rim?
I have single wall rim that is bent inward about 3mm on the areas marked with red. Is there a way to fix it? How I go about it? It's a cheap bike; I don't want to invest more money into new rim, and I ...
- 564
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2
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Absoluteblack oval chainring doesn't completely fit GRX crankset
I'm trying to install an absoluteblack oval chainring on a GRX FC-RX810-1 crankset.
After assembling and tightening the bolts I noticed there's a gap between the chainring and the crankarm.
Basically,...
2
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2
answers
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Can absoluteBLACK's 48/32 sub-compact chainrings be mounted on the Quarq DFour (for 4-bolt Shimano chainrings)?
When I bought my Quarq DFour for Dura-Ace 9000/Ultegra 6800/105 5800 chainrings last year, I had planned to mount my o.symetric 50/34 chainrings. However the asymmetric shape of the inner ring couldn'...
- 812
2
votes
1
answer
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Which bolts and nuts to use to install Osymetric chainrings to replace Shimano Ultegra R8000 chainrings?
I would like to install 52-38 Osymetric chainrings instead of my 52-36 Shimano Ultegra R8000 ones.
I've bought the Osymetric chainrings and tried to install them, but I realised I need bolts and nuts ...
- 123
1
vote
1
answer
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How do I move my chainring without moving my crank arm?
I recently did a 1x10 conversion on my mountain bike. I replaced almost everything on my drive train except for my crankset. The single chainring (104 BCD, 34T) fits onto my drive-side crank arm in ...
- 449
6
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1
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Modify a front derailleur cage to allow for non-round chainrings like Biopace or Rotor?
I am repairing my road bike after a mishap where it swallowed the rear derailleur around the cassette and into the front derailleur. As part of the rebuild, I'm swapping out the badly worn old ...
- 131k