Questions tagged [sprocket]
A sprocket or sprocket-wheel is a profiled wheel with teeth that meshes with a chain. Bicyclists normally call the front sprocket attached to the cranks the "chainwheel" and the rear sprockets either "sprocket" or "cassette."
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Are these 2 Gates Carbon Rohloff CDX and CDX-EXP rear sprockets interchangeable?
My bicycle came with a Gates CDX-EXP rear sprocket. Online I can only find the CDX variant. And I was hoping to use the CDX variant.
Here images of the 2 parts and links to the manufacturers website.
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Moving rear sprocket outward
I'm trying to fit a Veer Split Belt to my old city bike. However, I have noticed that the front and rear sprockets are not well aligned. I can't move the front sprocket inwards, so the only way to ...
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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 ...
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GRX 2x11 - what causes the chain to bounce significantly when shifting the cassette into a higher gear (smaller sprocket)?
I recently set up a new gravel bike with all new components, including a 2x11 GRX DI2 drivetrain. 31/48 and 11-36t. It has ridden under 600 miles and only seen rain once. It is accident free and has ...
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How would i go about removing this gear cluster?
bike noob here.
Looking to remove this freehub and I don't see the removal tool groves. I’m not sure how to remove this and I can’t seem to find any info on this specific one.
The brand is Suntour
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Used mongoose BMX started having issues with rear sprocket not engaging when pedaling causing safety issue
I got a used Mongoose BMX for my son. I know when I was younger Mongoose was halfway decent. But now they kinda stink. Putting that lightly!
Anyway the bike rode well at first, then after a flat tire ...
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Bicycle chain roller diameter size chart?
I'm digging for a while now, and can not find any helpful chart for chain roller diameters e.g. Shimano 8,9,10,11,12 speed. It differs of course depending on the manufacturer and the purpose. We know ...
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What are the replacement options for my Miche cassette?
I have a sprocket with chipped teeth. It's on a Miche Primato ten-speed cassette ("Fac Michelin PRIMATO 12/25", in the catalogue) with a Campagnolo Mirage groupset.
The hub is labelled ...
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Should the chain diverge that much?
I bought a new bike that has:
11-speed SRAM NX cassette.
Single chainwheel: 36 SRAM NX teeth
11 / 42 cog.
KMC X11 chain with quick-release.
Rear derailleur: SRAM NX 11-speed.
Anti-derailment ring.
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105 R7000 chain rubbing bigger sprocket when pedaling backwards
I am new to this so I wanted to know if this behavior is normal. When I pedal backwards and the chain is on the smallest sprocket I can see that the chain rubs for a second and then does a little jump....
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Gear combinations for 3×7 Raleigh CHESTER 21 2022, frame size 50 cm
Continuing Which gears combinations shouldn't be used? and How do I know what gear combinations should work without chain rasp on front derailleur?, which are rather generic questions and answers, ...
user69411
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Should a track cog's asymmetrical lock ring be installed so the flat end faces the cog?
My bike has always had a flip-flop hub installed. I recently decided I would like to try using the fixed gear side. I purchased an All-City 17T x 1/8" Track Cog and an Origin8 Standard Track Cog ...
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MTB chain always jump after putting a new chain. It only skips on 4th and 5th gear cogs only
I replaced my old chain with a new one. After changing the chain I notice that standing pedaling uphill and flat surface in 4th or 5th gear the cogs will engage/disengage. But when I put the old chain ...
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Convert the number of teeth in a chain-based drive train to the number of teeth in a gates-based drive train
If I'd convert my drivetrain from a chain-based drivetrain into a belt-based drivetrain and I'd want to keep the exact same transmission, how do I know the required number of teeth for the front belt ...
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What tool(s) are required to remove a Rohloff sprocket?
To remove a Rohloff sprocket, I need this Sprocket Remover Tool:
Do I also need the lock ring tool? If not, what is the lock ring tool required for?
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Which replacement sprocket and chain ring should I get for a Shimano Alfine 8?
I have a Charge Mixer bike with, I believe, a Shimano Alfine Inter-8 internal hub gear system. Recently the chain started to creak so I decided to change it. I bought a KMC X9 chain as Shimano appear ...
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Guidance to replace cassettes sprockets "individually"
I've seen that sprockets were sold separately (or by "groups/spiders"). Given the small sprockets wear faster than the big ones, it could make sense to replace them at higher interval than ...
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10-teeth/9-teeth Sprocket Efficiency Losses
Almost each time 10T (or 9T) sprockets on cassettes are mentioned, there are remarks about efficiency losses when such sprockets are used. But I haven't found quantified information about these claims....
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JC Higgins Super Deluxe history?
JC Higgins History Question. After my Mom passed I picked up her JC Higgins Super Deluxe.
I have little history on the bicycle. I have a serial number and Model number from the plate.
Model 505 276 ...
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Improving the Efficiency of a Derailleur: Enlarging the Cassette Sprockets to reduce Friction
For reasons that I have not yet understood, the smallest sprockets with only 11 teeth have prevailed in derailleur cassettes of road bikes, which leads to a very strong deflection of the individual ...
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Gates Belt Drive+Rohloff - What rear sprocket do I need to help me get up hills and mountains better?
Hi I'm new here.
I'm the proud owner of a Koga Worldtraveller Signature 2.0 with Rohloff and Gates belt.
I have a 50t front chainring and a 19t rear cog with a 120t beltdrive plus Schwalbe Almotion 28&...
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What is the maximum force that an average bicycle chain sprocket can withstand?
I want to use bicycle chain sprockets for a non-bicycle related project and I'm trying to figure out what is the maximum torque I can apply.
I did a quick calculation taking a real life example - I ...
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Why are there multiple chain whip styles when cogs can take out-of-plane forces?
Chain whips on the market can be classified into ones:
suitable for 1/8"-wide (fixed-gear) chains, such as Park Tool SR-18.2,
suitable for 7, 8, 9, 10, 11?, 12? sprockets,
suitable for 7-11 ...
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Vibration feel on pedals
For a while, I am having a vibration feeling (and actually it vibrates) through my feet from chain. It is not because of front derailleur, I have just aligned them. There are no problems with rear ...
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How do I remove the rear sprocket from a Gates Belt drive system
first question at this site. Hoping to get advice. Like many others, I am trying to learn how to service my bike, but when you get stuck....
I used a strap wrench and a cassette tool and I ...
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Copper grease on freehub when mounting sprocket?
Do you put copper grease (or something else) on a freehub directly before sliding the rear sprocket on? I put a light coating on by habit when fitting just because I don't like the idea of bare metal-...
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Compound for freewheel locking sprocket threads
I have an oldschool SunTour 6-speed freewheel, where the smallest sprocket screws on the freewheel body to lock the larger sprockets in place.
It's a normal right hand thread, so as you pedal in the ...
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I am thinking about changing my drivetrain to a 1xN. Do I need a new chain?
I am think about changing to a 1xN drivetrain, and I was wondering if I needed to change the chain as well.
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If my max cog is 50t and I got a 52t cog
Hello I just bought a ltwoo groupset on ebay because I want to go cheap for my first ride since I'm not sure if I will be riding a lot. I went on the ltwoo website later on and found on that their max ...
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Is my bike safe to use if cogs and crank is not that aligned?
Hey guys is it fine if my freewheel bike which is single speed is not that straight with its chain line, because my cogs and crank arent that straight but it is also not that far, im thinking if it is ...
