Questions tagged [torque]
The torque tag has no usage guidance.
20
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Suntour fork: Air side lower leg screw can't be tightened, rotates too easily
I tried to do a lower leg service on a Suntour Auron 35 fork, for the first time. When re-assembling, I was unable to tighten the air side screw to the 6 Nm that Suntour specifies in this video:
...
- 1,006
7
votes
1
answer
233
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Tightening a compression plug - manufacturer says 9-12 Nm, seems too tight at 6 already
First time working with carbon. Bought a longer compression plug, because it came with a very small one, not even covering the whole height of the stem.
I tightened it to 7 Nm. Took a while… Made ...
- 91
3
votes
2
answers
136
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Slipping handle bar, how to torque safely
I ride a bow shaped handlebar mounted in quill stem. I am riding this with a somewhat sporty setup, which means I do have weight on my hands and thus handlebar grips.
Originally I torqued this to 8Nm....
- 1,484
4
votes
1
answer
744
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Is it possible to damage the crankset while removing the pedals?
I got a brand new bike and I wanted to replace the pedals with the ones from my old bicycle. However, while removing the pedals from the new bike, I forgot that one of the threads was reversed and ...
- 209
4
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265
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eBike torque sensors: Are hub systems capable of the same ride feel as mid-drive?
There are two basic types of ebike controller - cadence or torque sensing. Typically mid-drive ebike systems use torque sensing to control the motor, and cheaper hub drive systems often use cadence ...
- 2,716
4
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2
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120
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Recommended torque for belt port in rear triangle?
Last week while doing a bleed and rotor replacement on my Spot Acme, my bike accidentally fell from the stand with the wheels removed, causing a little damage to the pulley:
I didn't notice this ...
- 639
10
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2k
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How to achieve a 200 Nm tightening torque when installing a freewheel body?
I always try to respect the manufacturer's recommended tightening torque when installing a bike component. Lately, I stumbled on a Shimano freewheel body that needs a tightening torque between 147 and ...
- 4,111
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138
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Misaligned Carbon Rails on Brooks C13 Saddle not aligning to Seat Post Clamp
I have a [VNT Elements Seat Post] (https://shop.vannicholas.com/en/products/vnt-elements-accessories/VNT-Seatpost-Alloy-16-7mm-Setback/11326). This saddle has two bolts at the back and clamps onto the ...
- 161
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2
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574
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Torque Specification for Brooks C13 Saddle with Carbon Rails
I wanted to know what the torque specification for this saddle (Brooks C13) would be. There is no torque spec/limit information on the Brooks website for this saddle. The concern is that the rails are ...
- 161
10
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4
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1k
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Are brifters meant to spin/slide on impact, by the choice of a low attachment-bolt torque?
One delicate and valuable part on a bike, the rear derailleur, is attached by a sacrificial part. The derailleur hanger is designed to be weak and to bend on impact, sparing the derailleur and the ...
- 8,974
5
votes
1
answer
495
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How to determine torque when using quick release?
I want to be able to install my front wheel on my Lauf Carbonara fork without using and carrying a torque wrench, e.g. during a longer tour.
Lauf says that the preinstalled axle can be replaced eg a ...
- 676
3
votes
2
answers
1k
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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 ...
- 253
12
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4
answers
3k
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I'm not sure if a torque wrench was used in assembling my carbon bike
I was given a brand new carbon mountain bike by my uncle, he assembled it himself about 18 days ago. My problem is that I am not sure if he used a torque wrench when he assembled the bike.
I would ...
- 121
2
votes
2
answers
7k
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What torque to use for seatpost to saddle clamp?
I have a Merida Reacto 4000 with carbon seatpost and alloy saddle rails. There's no torque rating specified for the bolts which clamp saddle onto the seatpost.
What torque should I use for them?
I've ...
- 173
2
votes
1
answer
3k
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Torque of the rails or torque of the post?
I am building a bike and I am using a saddle with carbon rails on an alloy seatpost. I read that it's not an issue as long as the shape of the clamps is compatible with the shape of the rails, and in ...
- 1,895
3
votes
1
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579
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Why are electric bikes ranked on torque ratings?
A major ranking criterion for electric bikes is the torque rating of the motor.
Generally speaking, bikes/motors with higher torques are sold at a higher price than bikes/motors with lower torques.
As ...
- 141
0
votes
1
answer
319
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Tightening torque for a Surly bike
I just bought a Surly steamroller frame and I am about to mount my bike.
I would like to know the tightening torque related to my frame or other components of my bike that is recommended by Surly.
But ...
- 253
2
votes
2
answers
586
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What is the reference unit of the kgf reading on the Park spoke tension chart?
What is the reference unit of the kgf reading on the Park spoke tension chart? Is it kgf/cm?
- 948
3
votes
2
answers
13k
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What should the torque of an expander plug in a carbon fork be?
What torque should be used for the expander plug in a carbon fork?
This one shows 8NM, which seems high
Manufacturers rarely seem to supply this information, yet tightening too much could damage the ...
- 867
0
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1
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327
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Hylix carbon fork and compression plug
I have an Origin8 compression plug 90mm long with recommended torque of 8Nm. But it can't be inserted fully into the Hylix carbon fork I bought online as there's lots of epoxy blocking the tube in the ...
- 948