All Questions
Tagged with bottom-bracket crankset
23
questions
44
votes
16
answers
187k
views
Creaking from cranks/spindle. How to fix?
Recently the cranks on my bike started to creak.
I checked with my usual "bike-bible" Park Tool. They recommended dis-assemble, lubricate, re-assemble.
So I did that.
Remove cranks.
Remove spindle.
...
- 543
5
votes
2
answers
3k
views
What types of BB-axle to crankarms interfaces are there?
On the lowest end, we have the taper/square interface. I believe it is standard i.e. there are no variations in the sizes.
image property of VP Components USA
Then there is the Octalink. Actually ...
- 13.9k
21
votes
9
answers
49k
views
How to remove a crank arm with stripped threads?
A friend called me up yesterday after a mis-adventure during his attempt at a bottom bracket overhaul. He stripped out the threads on the (left) crank arm while using a Park crank puller. In a pinch, ...
user313
1
vote
1
answer
2k
views
Stripped out bottom bracket
The bottom bracket of my bike was completely stripped to the point that when you push the left side crank arm, the right crank moves and you can see the bottom bracket lock move out the frame. The ...
- 31
18
votes
6
answers
7k
views
Should square taper cranks be greased before installation?
There’s a fierce debate over whether the interface between a square taper spindle and crankarm should be lubricated or not. Adding to that, everyone seems to have their own take on the issue. Here’s ...
- 16.4k
6
votes
3
answers
2k
views
Wilier oversize bottom bracket bearing cups for Shimano crank
My bike frame is a Wilier Imperiale with Campagnolo crankset. I am changing the crank to a Shimano 6800. The bottom bracket does not fit to the Shimano one. It is old version WILIER OVERSIZE BOTTOM ...
- 61
4
votes
1
answer
5k
views
Square taper crankset develops play after changing bottom bracket
After replacing a bottom bracket with square taper I repeatedly have to tighten the screws that fix the crankset (on each side) to the bottom bracket axle or otherwise I can feel sometimes a slight ...
- 1,959
0
votes
1
answer
1k
views
Crank fell off square taper BB. Should I replace bottom bracket
After years of use and multiple retightenings my crank will fall off my bike about once a week and definitely needs to be replaced. I believe that the square hole of the crank has expanded to the ...
- 103
22
votes
8
answers
172k
views
Noticeable clicking from crankset or bottom bracket
A few days ago I began hearing a clicking noise coming from the crankset and I can also sense a slight hitch when the right crank is at its upmost position just when it's about to go down.
The ...
- 365
8
votes
1
answer
1k
views
I replaced my bottom bracket and now my crank arm bottoms out on the square shaft before it can be torqued. What did I do wrong?
I just replaced my bottom bracket using another one of the exact same make and size (Sunlite 68mm x 103mm square tapered shaft cartridge). It installed smoothly and everything seemed to be going well ...
- 183
6
votes
2
answers
35k
views
Why does my non-drive side crank arm come loose?
I tighten the bolt super hard. Ride for a while. Then it comes loose again. I don't know if its my BB or the bolts. How can this be fixed??
- 61
6
votes
2
answers
6k
views
Lost left crank arm crank end cap
What parts do I need to put this back together?
I've lost some pieces going for a ride but I'm not sure what exactly. I think I'm missing the end cap to the crank and maybe a spacer.
I was heading ...
- 1,427
5
votes
2
answers
4k
views
Ideal distance between chainring and chain stay
I am building a single speed bicycle, and I have most of the drivetrain parts:
Rear hub
18T rear cog (40-40.5mm ideal rear chainline -- wheel undished)
1/8" chain
crankset with 40T chainring
I used ...
- 2,069
5
votes
4
answers
1k
views
Cruiser bottom bracket is clicking and grinding
My Trek Pure Deluxe 3-speed cruiser has been making a clicking noise when riding for some time. The problem is faint, and is more felt than heard. However, it's been getting worse; it now makes a ...
5
votes
1
answer
1k
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 ...
- 271