All Questions
541 questions
2
votes
0
answers
31
views
Shimano 105 FC-R7100 crankset on a 10 speed cassette
I have a Shimano Ultegra 6750 crankset with worn out chainrings that need to be replaced. A Shimano 105 12 speed crankset is cheaper and more readily available in my market than replacement rings. ...
- 51
0
votes
2
answers
87
views
How much are FC-MT500 and FC-M782 chainrings incompatible?
My XT FC-M782 40T chainring (Shimano code Y1NV98020) has worn out. My favorite bike shops don't stock them any more.
Instead, FC-MT500 40T (Y1VB98020 or Y1VB98030) are available. Shimano does not ...
- 1,765
1
vote
0
answers
47
views
Recently replaced fixed gear drive train and the chain has stretched 1/8th inch over 24 links in under 200 miles
I have a wabi classic. Over the last few months it became apparent that the drive train needed to be replaced. I would replace a chain and it would be badly stretched after a week or two (~100 miles). ...
- 21
4
votes
4
answers
485
views
For a bike with "Forged alloy crank with 44T compact disc chainring", can the chainring be removed?
I have a Jamis TAXI cruiser bike. See https://www.jamisbikes.com/bikes/recreation/cruisers/taxi/.
Note the description "Forged alloy crank with 44T compact disc chainring".
If I needed to ...
- 141
0
votes
0
answers
30
views
11S Chainring to Campagnolo Centaur Crank 135BCD
Can I use my existing Campagnolo Chainring 52/39/30 135 BCD 11spd to Campagnolo Centaur Crank 165mm? What will be the cons and pros of this? Presently, I am using the chainring with Athena 11 172.5 ...
2
votes
2
answers
191
views
How to increase my bike power (not enough space for bigger chainring)
I have a bike with full shimano deore M5100 1x11s. I want to increase the power of it. I tryed to increase the chainring size but my frame accept max 34t (not enough space for bigger). I would like to ...
- 23
0
votes
0
answers
20
views
Rear derailleur won't shift into easiest gears
I recently bought a used bike with a SRAM Force 1x drivetrain. The bike came with a medium-cage Force 11 speed rear derailleur and a fairly small cassette (SRAM PG-1130, 11-36t). I wanted easier gears ...
- 1
8
votes
3
answers
945
views
How artificial is the lack of 450%+/50t+ gearing on lesser 1x groups?
ESSA, CUES, Advent, Advent X, Acolyte, Sword, and other sub-12-speed low-end groups are all range-impaired compared to what you can get by spending more. Extend it out to 12-speed and there's Eagle SX,...
- 88.2k
2
votes
1
answer
396
views
Spec sheet on Shimano FC-C201 seemingly does not match my bike
Trying to find a replacement for my FC-C201 crankset:
I found (what I think is) the spec sheet here. The relevant section is here:
However, my chainring has 48 teeth while the spec sheet says it ...
- 493
2
votes
3
answers
563
views
Can front gear be replaced on a Retrospec Judd folding bicycle?
The Retrospec Judd folding bicycle has rather high gearing, 48T front, 18T back, around 53 inches gearing. Is it possible to replace the front gear with a 40T, say? That would give the bike about 44 ...
- 123
1
vote
2
answers
94
views
Are Shimano chainring/crankset protectors easily removable?
Are Shimano crankset/chainring guards/protectors easily removable? In other words are they fastened with some screws/bolts or are they riveted? I am most interested in the Acera(M361) cranksets or ...
- 3,301
0
votes
0
answers
25
views
Specialized Ruby 2012 replacement Front Crank/Chainring/Hub
I would like to convert SRAM Power Spline with 50/34 POWERGLIDE chainrings to a 50/30 T combo. It has 110mm so will not accept 30T.
What crank assembly/bottom bracket and chainrings should I use to ...
- 1
0
votes
2
answers
111
views
Remove 7- or 8-speed chainrings from Shimano/SRAM/Sunrace crankset and use on 3x9 speed Samox/Shimano drivetrain?
I have 3x9 gearing on my touring bicycle. I've got a Shimano Acera friction shifting front derailleur and an Alivio rear derailleur. The rear cassette is a Shimano 11-36T. The front crankset appears ...
- 43
0
votes
2
answers
855
views
Shimano GRX chainring upgrade
i was thinking of upgrading my GRX FC-RX600 crank which has 46 tooth only and since i ride mostly flat sections, i want more teeth on my big chainring since i am running out of gears. thus the ...
- 75
4
votes
1
answer
376
views
Will a 10 speed chain perform adequately on a Shimano CUES 1x chairing?
Situation:
10 speed Shimano hybrid/mountain straight bar shifter, 10 speed Shimano mountain/hybrid derailleur and 10 speed Shimano chain.
The person is looking for a 1x crank.
Shimano CUES crank seem ...
- 509
1
vote
0
answers
129
views
Will a Shimano R7000 chainring fit my Ultegra 6800 crank?
Recently I almost had an accident while putting more power on the drivetrain and after replacing both casette and chain at home I noticed the chain did not settle on the chainring properly. Now I am ...
- 11
3
votes
2
answers
118
views
Shift lever can’t move cage to large chain ring. Shimano Ultegra 11 speed hydraulic
The large lever can’t be moved more than a short distance to where it would normally start moving the cage but won’t move any farther. It doesn’t move the cage at all. Something in the shifter is ...
- 31
1
vote
1
answer
176
views
Chain / Chain wheel: D type vs sealed type
I have spent a good 30 minutes on this site but couldn't find anything pointing a clear idea.
I bought a 26 inch, Dual suspension bike. It has a chainwheel of "sealed type." I asked the ...
- 23
5
votes
4
answers
1k
views
Chain drops when shifting up a gear at the front?
I've just gotten a new bike and run into a problem. When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops.
The problem happens regardless of whether I'm on ...
- 51
3
votes
1
answer
429
views
Choosing a chainring for eewings crank
I recently purchased the eewings mountain titanium crank, and I need to choose a chainring.
The interface is sram 3 bolt direct mount.
I wanted to get a 44T/46T/48T chain ring, but seems like I can't ...
- 523
6
votes
3
answers
2k
views
Does a 3x to 1x conversion make sense for this bike?
My daughter was given a 26" hardtail with a slightly weird setup to use as a utility/commuting bike by a guy whose hobby was to build up bikes from old but unused parts... the crankset & ...
- 163
0
votes
0
answers
48
views
i need help finding a new chain ring (the gears that are in-between the pedals)
I am currently fixing my pacific vector bike and I need to know where to find new chainrings, I can't find any anywhere else.
2
votes
3
answers
2k
views
E-bike motor stopping momentarily during steep climbs
I have a Batavus Zonar 2020 e-bike, Yamaha motor, 10 gear cassette, 5500km of use.
Recently the motor has stopped working momentarily during very steep climbs - it just shuts off for a second then ...
- 171
4
votes
1
answer
393
views
New chain coming off under torque
I replaced the chain recently - the new chain unships violently when I apply a moderate amount of torque, such as when setting off standing.
As in, it comes off the big ring to the outside (i.e. away ...
- 173
4
votes
2
answers
855
views
Compatible derailleur/hanger and going 1x
So the green Kona dew plus is my bike. It's an 8-speed with a 11-34 cassette. It came factory with an Alivio 9-speed derailleur. I need to upgrade the rear derailleur because I got hit by a taxi. My ...
- 101
0
votes
2
answers
147
views
Options for renewing drivetrain / upsizing crankset
I currently have a Shimano drive-train and am approaching replacement for the chain and cassette.
All parts are Deore XT M780 Series except my cassette which is a HG500-10 11-25
I usually run a ...
3
votes
1
answer
96
views
Frame and bottom bracket compatibility
I have problems with adjusting front shifting on my MTB so I suspect something is wrong elsewhere.
This is a 27.5" Merida Big Nine 100 XC MTB. Its chainset has been replaced with a Shimano FC-...
- 2,168
0
votes
0
answers
50
views
Band New Front Gear Shift Issue
I brought a bike a few days ago and barely rode it. Every time I did I noticed that the chain would slip in the front gear going to a larger chainring, in this case it's gear 2. 'Funny thing is I took ...
0
votes
0
answers
53
views
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 ...
- 1
1
vote
1
answer
165
views
Shimano chainring compatibility
The middle chainring on my bike needs to be exchanged and I can't find a dealer that carries the parts or would even be able to order them from their wholesaler. From all I can tell my crankset is an ...
- 13
3
votes
2
answers
544
views
Budget Chainring Upgrade
Ive got a 2018 Halfords Carrera Valour 18" 24 speed mountain bike which I use regularly. I cant afford to splash out on a new bike so was planning to do some basic budget upgrades to help with ...
- 33
3
votes
2
answers
1k
views
Can I change small chainring to 30T with a 50T large ring on DI2? The mechanic says yes, just the shifting would be a tad slower on front derailleur
I’m looking at buying a used Orbe Orca complete with power meters and Ultegra Di2. The front rings are 50/34. I asked if the Di2 could handle 50/30 and was told yes but the shifting would just be a ...
- 31
0
votes
1
answer
113
views
Lateral play in Crankset
I'm converting a ~2006 Scott Reflex to a 1x drive train, following the instructions on this video:
Convert From Square Taper to Hollowtech II Bottom Bracket/Crankset - RJ the Bike Guy
However I am ...
- 289
1
vote
1
answer
114
views
Race Face 2x Spider for Boost 64/104 BCD Bolts?
I am unable to find any info on what bolts I need to install the 104 and 64 BCD chainrings onto this spider. The spider doesn't ship with bolts and I cannot find any documentation anywhere(!)
https://...
- 153
2
votes
4
answers
401
views
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
5
votes
2
answers
2k
views
Differences between FC-RX600-11 and FC-RX600-10?
Is there any documented difference between 10- and 11-speed GRX cranksets FC-RX600-10 and FC-RX600-11?
Net search gives "closer chainring spacing", but I'm looking for a proof.
Also ...
- 1,765
1
vote
1
answer
86
views
The Altus FC-M311 small chain ring rubs on bottom bracket
The Altus FC-M311 3 ring chain set I installed on an old Giant MTB rubs on the bottom bracket. There are bent out bits of the small ring that are just slightly smaller than the diameter of the BB and ...
- 11
2
votes
1
answer
120
views
How can I know / check if I can use KMC Z7 for my single speed bike instead of KMC S1
I have 2 spockets: front and rear.
Front 52T, 110 BCD (Narrow wide tooth).
Rear 18T,18T (34 mm/1.34'').
This is all information which I have.
The front sprocket should be fine with KMC Z7, since, it ...
- 1,012
6
votes
3
answers
718
views
What is an alternative to Shimano FC-5700 52B Chainring?
The tooth of my outer chainring broke off so I need a replacement for it.
Problem is, it's an old crankset FC 5700 and I can't find anywhere that sells the same chainring. I don't want to replace my ...
- 61
3
votes
0
answers
190
views
Are Campagnolo 11 speed ESP and 11 speed XPSS chainrings compatible
I need to replace some 11 speed ESP chainrings (not to be confused with EPS, their e-shifting tech). I am only finding 11 speed XPSS chainrings.
Campagnolo calls XPSS:
X.P.S.S.™ Extreme Performance ...
- 1,070
5
votes
3
answers
753
views
Updating Shimano R8000 chainset from 50/34 to 50/39
I've seen this question about making the same change (50/34 to 50/39) on a Shimano Sora chainset, but I am asking specifically about Ultegra R8000.
I have a bike with Ultegra R8070 (Di2, hydraulic ...
- 352
8
votes
2
answers
2k
views
Increasing a 32T chainring to a 36T - will it fit?
I'm considering changing up the chainring on this 2020 Specialized Turbo Levo Comp in order to slow down wear on the cassette as the rider tends to keep it in a few of the mid-high gears.
What ...
- 13k
3
votes
2
answers
772
views
I want to change a chainring 52 R7000 to a new 52 R8000 - will it fit?
I have a worn 52-tooth Shimano R7000 (105) chainring and I would like to replace it with a R8000 (Ultegra) 52-tooth ring. I am only looking to change the large chainring. I am in Russia and therefore ...
- 33
4
votes
2
answers
1k
views
Do I need to shorten the chain if I mount a smaller large chainring?
I have bike with 2x8 compact chain ring in front 50/34.
If I change the 50 to 46 do I need to cut the chain shorter?
I know I will adjust the front derailleur lower, right?
- 53
5
votes
2
answers
1k
views
12 speed sram DUB chainring compatibility
Can A 12 speed DUB 1x road crankset (Force 1) be converted to 11 speed by swapping the respective chainrings?
I have an 11 speed Force 1 rear mech that I want to use for the moment, but want to use ...
- 53
4
votes
1
answer
397
views
Crankset cassette compatilibility
I'm looking to upgrade my crankset, currently a 48/34 Shimano R460, to a GRX RX600. What is not clear to me is whether the RX, which is designed to work with an 11-cogs cassette, will work fine also ...
- 171
4
votes
5
answers
2k
views
Triple ring front derailleur skipping middle chain ring when downshifting
I have a touring bicycle with 3 x 9 gears. The front derailleur and front shifter are Shimano Sora. Some time ago, the front derailleur started skipping the middle chain ring when downshifting from ...
3
votes
1
answer
743
views
Does changing a chainring on a e-bike requires a "firmware change"? (setting or update)
I noticed an interesting "contradiction" in the manual of an e-bike: on one hand it states that the frame can accomodate chainrings between 30T and 44T, but on the other hand in another ...
- 24.7k
3
votes
1
answer
567
views
Can a crankset have its chainrings' alignment notch not aligned by design?
I disassembled a Shimano FC-M442 crankset and reassembled it using its exploded view. Usually, chainrings have a special notch indicating their orientation that should align with each other as well as ...
- 4,169
1
vote
1
answer
191
views
Luna eclipse 42T chain ring and Shimano Linkglide is there a chain that fits both?
My cargo e-bike has a Luna Eclipse 42T chainring with a narrow-wide pattern. Lunacycles states the chainring will work with any 8, 9 or 10 speed chain and that an 11 or 12 speed chain will not work. I ...
- 13