Questions tagged [crankset]

The crankset is the combination of components that convert motion from the rider's leg movements into rotational motion to drive the chain and propel the bike. The crankset includes one or more chainrings (sprockets) and the two cranks, or arms, to which the pedals are attached.

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277 views

5 arm cranksets versus 4. Which is better and why?

I'm looking to buy a Sora triple crankset. Shimano make two types one has 5 arms and the other only has 4 arms. Which should I get and why would that be a better choice? I'm a slow-ish rider. I'm 50 ...
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Why have my crank arms started corroding?

I have a set of Rotor 3D cranks and I've just noticed that the non-drive-side crank arm is corroding at the end and around the pedal bore, beneath the surface finish. The drive-side arm is fine. I ...
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1k views

Is Shimano 36/24 double crankset possible?

I'd want to exchange my triple crankset with double. After playing with gear calculator and testing some double setups, I came to the conclusion I need 36/24 gearing. I have 10 speed drive, so I'm ...
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42 views

Which combination of single chainring and crankset goes with 6 speed?

I have 90s Bianchi "Project 2" which is early hybrid of MTB and roadbike it says. I want to customised to single chainring narrow wide (somewhere between 48 to 40T), but leaving original ...
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1answer
59 views

Bottom bracket compatibility

After two LBS's, a blowtorch and a tyre shops impact driver I finally have my bottom bracket out. It an aluminium frame if that makes a difference. On the drive side some of the thread is gone, ...
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46 views

Which crankset standard will fit in my bottom bracket?

I have a bike with a press fit bottom bracket. Unfortunately, my existing crankset has too long of a spindle, and will not fit. Measurements of note: bottom bracket shell width: 62 mm. outside ...
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33 views

Changing a crankset on a Specialized sirrus step through

I have an issue with pedals to crankset connection on a 1 month old Specialized Sirrus Step Through. Probably connection was done wrongly and they are just falling out of the connection holes. Looks ...
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24 views

Achieving Correct Beltline for Gates Carbon Drive

I’m building up a Soma Wolverine with a Gates Carbon Drive and Alfine 11 internal gear hub. The Gates literature indicates that the beltline should be 43.7 mm +/- 1mm. I am trying to use an old ...
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81 views

Square taper bottom bracket noise from street riding fixed gear

I’ve been trying to eliminate crank/bb noise in several different Sugino RD2 cranksets over the years with no luck. Always a faint click, once per revolution on the crankarms. I’ve tightened ...
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1answer
277 views

SRAM AXS double to single

I'm looking at a road bike with SRAM Force AXS 2x crank but would like it as 1x. I see from photos that the spider is separate from the right crank. Are the 1x vs 2x arms and/or spiders different? ...
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121 views

Schwinn sidewinder 21 gear slipping?

If rear tire is off the ground, the wheel will spin when pedaled. When wheel is on the ground the pedals will move the chain in any gear but will not move the rear wheel. The chain is not losing ...
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496 views

Compatible crankset for my singlespeed

i am planning to replace my current crankset and BB with this: http://www.jensonusa.com/Cranksets/Race-Face-Ride-1X-Crankset?cs=Blue Would like to know if this compatible with my bike. Currently ...
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199 views

Sudden, loud creak from BB area

I was on my way to a meeting, pedaling along, when suddenly there was a loud creak. I stopped, visually inspected the bike, manually revolved cranks both ways, and made sure nothing was sticking into ...
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826 views

Stages FSA BB30 Power Meter on Cannondale SI BB30A Crankset

I have a Cannondale CAAD12. It has a Cannondale SI crankset. The frame's bottom bracket is BB30A. My question is, can I fit a Stages FSA BB30 Power Meter on the non drive side? My concerns: BB30A ...
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411 views

Low gearing setup for road bike with Shimano dual control

Question: What is my best bet for a crankset, given the following requirements for a road bike I am setting up: 68mm "English" thread bottom bracket Shimano STI "brifters", 2x10 (I already have ...
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27 views

Can you interchange a FC7710 Octalink drive side crank arm with a FC7701 Octalink crank

I want to change to a 165 mm crank length on the drive side of my Dura Ace Octaplus FC7703 triple chain set. Can I use a drive side Dura Ace Octalink FC7710 track crank to do this? Are the two crank ...
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71 views

Help me build a 2x11 crankset with a 40t/42t big ring and bashguard

I'm in the process of sourcing parts for a new MTB bike. The frame supports e-type top swing front derailleurs, and 92mm pressfit BBs. And I want to have a 2x11 crankset with a 40t/42t big ring and ...
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1answer
36 views

Ultegra R8000 Crank Spacer

Does the Hollowtech II Ultegra R8000 crankset need to use spacers? I just converted my bike from praxis to shimano (finally I have the whole groupset!). I had to replace the BB and cranks (duh) for ...
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38 views

Can I put a SRAM X-Sync chainring on a vintage Shimano 600 crank? Both are 130mm BCD

Can someone confirm that this SRAM "hidden bolt" thing does not create a problem with using a SRAM Force 1 X-Sync chainring (model: 11.6218.020.000) on a non SRAM crank? FWIW it's going on a Shimano ...
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43 views

Does anyone here have measurements of SRAM's direct-mount spline interface?

The makerspace I work in purchased a new metal milling unit and I want to test its software's tolerances and mill a narrow-wide chainring. I'm guessing it just consists of a circle with square ...
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2k views

Replacement crankset for Shimano SG B 52/39?

I have a very basic Specialized Allez (XL frame) street bike (pictured in my avatar) with a cheap SG B52/39 chainring needing replacement (warped and wearing out after two years of daily use). But ...
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Don't know spindle size?

I'm not quite sure what size my spindle is on my giant downhill bike. I bought it a while back and it hasn't caused any problems. I've only recently taken up making it look good. All I want is 2 ...
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156 views

Clicking noise gets better with water

So here's my latest video checking the casette, you don't have to watch it all. This is the old video when running: My question is ...