Questions about cranks, which are the pieces of metal the pedals are attached to and then, in turn, rotate the bottom bracket and chainring.

learn more… | top users | synonyms

1
vote
2answers
2k views

Will 10 speed cranks work with an 8 speed freewheel?

I'm looking at building a road-bike, and I've just purchased some wheels with campagnolo hubs, with an 8 speed freewheel on the back. Can I use Campagnolo Daytona / Veloce cranks on the front? I ...
1
vote
1answer
374 views

Using a Sram 22 group with 10 speed crank

I have a SRAM Red 22 group set that has a standard crank (53/39), and I also own a SRAM Red 10 speed crank with compact chainrings. I'll be doing some climbing soon and would like to use the compact ...
1
vote
1answer
83 views

Are road cranks less strudy than comparatevely priced MTB cranks?

Road bikes are built to face different challenges than MTBs. Does this lead to difference in the crank strenght versus weight optimization? Will road cranks tackle to the occasional bump onto a stone ...
1
vote
1answer
463 views

ideal dérailleur height for a Deore on a Biopace?

Reading on every site about front dérailleur adjustment, the distance from the bottom of the outer dérailleur plate to the bigger crank cog should be "one penny". Mine is around 1cm! it does shift ...
1
vote
3answers
1k views

How do I remove a pedal from a crank with a crossed thread?

I've part stripped, and ultimately crossed the thread on my crank and can't remove my pedal now. This was done whilst riding and then trying to remove the pedal from the damaged crank. I figure the ...
1
vote
1answer
171 views

Are 130 BCD chainsets stiffer than 110 BCD?

I would expect the crank spider not to sacrifice much stiffness in expanding from 110 to 130, but the chainrings seem flimsy in comparison. Do I buy extra stiffness by using a standard chainset ...
1
vote
2answers
465 views

Crank is slipping freely occassionally when pedaling; occasional “clonk” sound

Crank is slipping freely occassionally when pedaling; occasional "clonk" sound-not sure where sound is coming from-crank is tight, no movement or looseness
1
vote
2answers
2k views

Stationary bike “clicks” when pedaling - crank axle is moving sideways. How can I fix this?

I've got this stationary bike, a York C202, which has developed a problem - namely it "clicks" when pedaling. This is highly annoying, as there's nothing I seem to be able to do about it. I diagnosed ...
0
votes
2answers
109 views

Truvativ Crank housing

Im repairing a friends bike and changing the crank. I have removed it and want to find a replacement The removed item is Model: BB-06-PSPL - 113/68 Im wondering if there is a replacement Shimano ...
0
votes
1answer
285 views

Right crank arm feels uncomfortable

After a loose bottom bracket and some prevailing knee pain I have made a few adjustments to the bike. I have managed to greatly reduce the pain in my left knee but the right still has some pain. I ...
0
votes
2answers
207 views

Is there a way to know what size of smallest chainring will be compatible with a given frame?

I've been slowly changing a Devinci Milano I bought to be more like a touring bike than a hybrid. I've installed drop bars and sti shifters. Everything is working pretty well, except that I'd like to ...
0
votes
2answers
53 views

Will a 9 speed crank work with 10 speed groupset? [duplicate]

Will this SLX 9 speed crank work with newer 10 speed groupsets? It looks to me that 9 and 10 speed cranks are the same. Or am I missing something? Are the spaces between the rings different?
0
votes
2answers
1k views

New frame bottom bracket and crank compatibility and general stupidity!

I recently bought a Scott CR1 SL 2012 frame to replace a crash damaged frame on my 2009 Boardman Team Carbon road bike. The intention being to move as much as possible across from the old bike on to ...