Questions tagged [tension]
The tension tag has no usage guidance.
51
questions
3
votes
1
answer
97
views
Correct way of centering rear wheel with differential spoke lengths
I'm rebuilding a rear wheel with brass nipples after some aluminum nipples have failed. I have troubles centering the wheel.
The spokes are 260/266 mm DS/NDS long. The recommended spoke tension is 100 ...
- 227
3
votes
2
answers
328
views
20 inch wheels and spoke tension measurement tool
I got a ParkTool TM-1 but it doesn't fit on the wheel I am trying to check (20 inch).
How do people deal with smaller wheels when it comes to checking spoke tension?
thanks
- 63
1
vote
1
answer
204
views
Shimano Claris stuck in highest gear
I've got a 3-year-old bike with Shimano Claris (looks like ST-R2000-R) shifters. The other day, the temperature outside dropped to 40F. I took my bike out and found that I couldn't upshift the rear ...
- 75
4
votes
1
answer
320
views
Is it normal for rear derailleur tension to impact front derailleur tension?
I just received a bike from a bike shop. It has a GRX800 front derailleur (FD) and rear derailleur (RD). When taking a look at the derailleur setup to check if it is alright, I found something very ...
- 143
0
votes
1
answer
143
views
Does chain tensioner (tug nut or spring) is needed, for horizontal dropouts?
Is a chain tensioner (tug nut or spring) needed for horizontal dropouts ?
I assume that in case of horizontal dropouts, chain tensioner is not needed.
Nevertheless, does it provide any added value ?
- 1,002
5
votes
2
answers
2k
views
Single speed chain tensioner comparison
I would like to dicuss PROS and CONS of 2 method for chain tension for single speed.
Chain tensioner with Bolt (left upper and left lower image).
Chain tensioner with a kind of spring + arm + roller ...
- 1,002
1
vote
0
answers
115
views
Weight and distension length of the "Gates Carbon Drive Eco Tension Tester"
I own a bike with a gates CDX belt drive. I noticed that my belt tension was way too low and tightened it, but I have no belt tension tester. I find that measuring the frequency of the belt "...
- 111
1
vote
1
answer
235
views
Spoke tension of the lower-tension side?
I am building a new wheel set (boost and super boost). The max. spoke tension is defined as 1200nm.
I went ahead and tightened the spokes until the they reached the max tension one side.
The other ...
- 395
5
votes
1
answer
278
views
How to tighten chain on Kalkhoff Image 5.B Season
I have a Kalkhoff Image 5.b Season (with coaster brake) which was in need of having its chain replaced. Having moved within the last year I have been using this bike as my main way of getting to work ...
- 153
0
votes
0
answers
124
views
Rim tension for MADDUX R3.0
Anyone know what the rim tension for MADDUX R3.0, 6061H-T6 alloy, 700c wheelset, clincher, ETRTO 622 x 14c rims? Or where I can find it. It's not listed on the Maddux web site.
5
votes
1
answer
652
views
Is it normal to need to re-tension drive belt (Gates CDN) after few days?
I'm brand new to the world of belt-drive bikes so trying to understand what's normal and googling isn't helping with this specific question.
One of the selling points of belt drives is low maintenance ...
- 375
2
votes
1
answer
85
views
Help me make sure rims are strong enough to start riding hard. Fixed a bent rim after a crash, rim now mostly true with a few loose spokes
After a nasty crash which bent the front rims of my MTB, I was able to get it straight again and true it (bending it back with force and adjusting spoke tension) to the best of my abilities. I ...
- 23
2
votes
2
answers
1k
views
How to adjust/tighten the chain on my Shimano Nexus 8i hub?
I have an Electra Townie 8i with Shimano Nexus components. Every time I remove the rear wheel it is a major PITA to adjust the chain tension when putting back the wheel again. Is there some smart way ...
- 351
4
votes
1
answer
2k
views
Spoke Tension Drive Side and Non Drive Side
Building up a set of Asymmetrical Rims.Let's just say the manufacturer calls for 120kgf on the drive side and 110Kgf on the Non Drive Side. When I tension the spokes everything seems to work out well &...
- 41
2
votes
0
answers
254
views
Left shifter is not catching/gets stuck when there is cable tension
I need help with my left shifter. When I have the cable attached to the derailleur and have even the slightest tension applied, the shifter won't shift to the largest cog (I have double front ...
2
votes
2
answers
636
views
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?
- 1,146
0
votes
1
answer
168
views
Rear Derailleur wire sags completely in higher gears
I have a Shimano 7 speed rear derailleur which used to work properly. Lately I observed I was unable to shift down to gear 7 from 6 but let the problem be. The derailleur would move very little (there ...
- 103
1
vote
2
answers
400
views
Slight Difference in Spoke Tension Between Inner and Outer Spokes on Straightpull Hubs?
I recently built up my first set of straightpull wheels, with I9 hubs and traditional DT Swiss Competition spokes. (Hubs were from a I9 Trail S Hydra wheelset and are very much like DTs.)
Something I ...
0
votes
1
answer
654
views
tensiometer and 2.16mm Ø spoke tension
I am trying to determine the proper spoke-tension target reading for a plain J-bend stainless spoke. It has a 2.16mm diameter per the little gauge that comes with the no-name tensiometer I've just ...
- 1,146
3
votes
3
answers
480
views
Worn out chainring or missing tension
This is a follow-up to the question I need to replace a cassette for CS-HG500-10 but want to go XT
Yesterday I replaced the cassette, as well as the chain and the jockey wheels and went for a ride. ...
- 177
2
votes
2
answers
702
views
Gates Carbon Drive single speed shows inconsistent tension
I recently noticed an issue with my Carbon Drive bike where pedaling was difficult at a certain point of rotation for the crank. Within about 30 degrees of movement of the crank, the tension on the ...
- 35
1
vote
3
answers
682
views
What should I do about a tensioned/trued wheel that lost significant spoke tension after first use?
My front and rear wheels needed truing, so I picked up tools to do it. Rims are DT Swiss R460: 20 spokes front, 24 back. Max spoke tension is 1200N.
I got my front wheel to a left-side tension range ...
- 113
9
votes
4
answers
4k
views
Cause of broken spokes (pictures included)
I never had this problem before. Two spokes on the drive side of my road bike's rear wheel broke at the J bend, and I'm trying to identify the cause. The wheel has 32 spokes total, made of steel, ...
- 2,079
0
votes
1
answer
821
views
Determining if there is too much chain tension on 1x setup with XT clutch derailleur
I've outfitted my 2016 Giant TCX with a 1x 42t in the front and 11-40 in the rear. I'm finding that with the clutch engaged shifting into the 40t in the back is "harder" and it feels like ...
- 117
2
votes
2
answers
947
views
Is this spoke tension too low?
I am building a wheel and it is (pretty much) perfectly dished
Spoke tension calculator measurements say:
However, my wheel required a lot of offset to get the dish correct. My park tool TM-1 ...
- 1,077
1
vote
1
answer
982
views
Correct spoke tension for DT Swiss EX 471 26" 32h rim paired with Wheelsmith DB 14 spokes
I am currently in the process of building a wheel, and I'm super confused on how to determine the correct spoke tension.
I bought the Park Tool TM-1 to correctly gauge the tension.
DT Swiss doesn't ...
- 1,077
4
votes
1
answer
2k
views
Is it common for the left side spokes of a front disc wheel to have more tension than the right side spokes?
Wiping my bike down after a wet ride, I noticed that the left side spokes on my front wheel are tighter than the right side. I don't have a tensionometer but squeezing pairs on each side and plucking ...
- 11.1k
4
votes
2
answers
513
views
Chain on singlespeed tight, pedals won't turn backwards very freely - is this an issue?
A well-known and well regarded shop fixed something on my converted single-speed bicycle. On the ride back from the shop, the pedaling felt "different", and I noticed that the pedals will stop after ...
- 287
1
vote
3
answers
2k
views
Hard and noisy Shimano ST-EF29 front shifter with brake lever
I bought brand new Shimano ST-EF29 (3x8 Speed) Shifter + Brake Lever (both left and right) for my MTB which I installed some 3 months ago. But it is very noisy (especially when shifting from 3rd to ...
- 163
3
votes
1
answer
143
views
How do I calibrate my auto tension belt?
I have a Trek District IGH3 with a Mitsubishi belt drive that has an auto-tensioner. Last winter, the belt started slipping over the sprocket. It happened frequently enough that it ended up wearing ...
- 223
4
votes
1
answer
492
views
Alfine shifter cable tension increases over time
I have a Shimano Alfine 8 hub. I am aware of the need to keep an eye on the shift cable tension, and readjust periodically to ensure that the alignment marks on the hub are lined up.
The strange ...
- 830
4
votes
1
answer
280
views
Benefit of high belt drive tension?
I have a Gates carbon belt drive on a NuVinci hub.
I haven't bothered with the the whole tensioning using the app and everything, but I have a set-up where it is perfectly quiet and I've never had it ...
- 181
3
votes
3
answers
6k
views
Single Speed / Fixie - Chain tension / uneven tension
I recently changed my chain and noticed it has uneven tension (probably my chain ring being out of rounds). I followed Parktool's video and set the tightest spot to have about 0.25 inch movement up ...
- 31
0
votes
1
answer
1k
views
What is the recommended tension for my AlexRims X2100 rim?
I'm working on a bike which needs a couple of fixes, but the truing process is a new world for me. And I want to give long life for the wheel.
I have a 26" wheel with 32 plain gauge spokes (aluminum ...
7
votes
2
answers
16k
views
Chain noise, fixed gear
This is my first bike ever assembled, I’m a total newbie.
I’ve just finished to put chain/cog and did my first try of chain tensioning. All components are new, but still I don’t understand why there’...
- 211
4
votes
1
answer
2k
views
What can be done wrong changing the chain in a single speed?
I changed the chain of my singlespeed. I though it was going to be something really simple and quick, but I was completely wrong...
I keep getting a lot of noise while I'm pedaling (unless I go ...
- 1,529
1
vote
2
answers
6k
views
front gear shifters not working
I made some adjustments to the front derailer on my road bike as when I was in the big front gear and smallest low gear the chain was rubbing on the front derailer outer edge.
I followed guides on ...
- 21
5
votes
3
answers
24k
views
Noisy chain when under tension
I've recently purchased a second hand Orbea with a 105 groupset, and I've noticed the chain makes a rubbing-like noise when in the big front ring.
It's not rubbing anywhere though - the gears are ...
- 51
1
vote
1
answer
473
views
Trouble with tension adjuster screws on 2012 Kona Unit
Here is the drive side screw on my 2012 Kona Unit:
The problem is the screw is very difficult to move and adjust tension.
It's so bad that I stripped the hex head used to adjust the tension, ...
- 265
0
votes
1
answer
2k
views
Removing the return spring of a rear derailleur [duplicate]
I am trying to turn my standard shifting bicycle into an automatic shifter using a motor to increase and decrease the tension in the shifter cable. The problem is that a lot of torque is required to ...
- 103
3
votes
3
answers
28k
views
How to increase tension of rear derailleur cable
I have a Trek Shift 3 (I bought/got new/unused in May 2016) with a Shimano ST-EF65 Shifting Lever (Index) and I am unable to shift gears in the rear derailleur. I think the reason I can't shift gears ...
- 131
3
votes
2
answers
4k
views
Why do my rear caliper cable becomes loose after some squeezes in the brake lever?
I have bought this bike one week ago from a friend of mine, and when I checked it, it was clear that the rear brake caliper cable was loose. I could see, under the frame, the steel wire bulging from ...
- 343
5
votes
1
answer
5k
views
Does chain tension change how hard/easy it is to pedal?
I ride a single speed bike and it seems to be tougher than it should be to pedal. It is comparable to one of the higher gears on a multi-speed bike. I'm getting the feeling that my chain may be too ...
- 1,927
7
votes
2
answers
2k
views
How to install the cable for this rear derailleur?
For two months so far I'm trying to fix my bike. I bought a used bike and the shifting was not good. So I bought new cables and tried to make the rear derailleur work, but without any kind of luck. ...
- 681
7
votes
2
answers
7k
views
What does "chain binding" mean?
I'm reading on chain tensioning, the generic idea is that if the chain is too loose it will fall off, if it's too tight it will "bind".
I'm having an hard time understanding what "bind" means in this ...
- 237
4
votes
3
answers
2k
views
When truing a wheel, is it enough to only use a tension meter, and not a truing stand?
I presume that if you get all spoke tensions equal, and at the recommended tension for the spoke thickness, then the wheel will be true.
My intention is to get a wheel reasonably true (laterally) by ...
- 41
1
vote
3
answers
2k
views
Adding Brake Caliper Cable Tension SRAM Rival
I have come across a really annoying issue that I just can't seem to put a finger on, and it is causing nothing but heart ache and frustration.
I was checking to see how much wear I had on my brake ...
5
votes
1
answer
1k
views
Mixing various spoke widths in a single wheel
So the story began some 4 years ago, when I bent my rear derailleur hanger while crashing, and my chain got stuck between the cassette and the wheel scratching a few spokes. Everything was fine until ...
- 1,399
6
votes
1
answer
4k
views
How do I fit this pair of chain tensioners on my single speed bike?
I have these chain tensioners:
How do I install them correctly on my single speed bike? Do they go on the inside or outside of the frame?
My dropouts look something like this:
Apologies if the ...
- 431
1
vote
1
answer
403
views
Chain guide/tensioner for 2011 Giant Reign 2 (Press Fit)
Can someone recommend a chain guide/guard/tensioner that will be mountable to a 2011 Giant Reign 2 which has Shimano Press Fit and 3-ring crankset? The best I could find is:
Kore Chain Reactor - ...
- 203