Questions tagged [nexus]
Shimano Nexus is a line of components designed around internally-geared hubs.
65
questions
1
vote
0
answers
35
views
Shifting Issue - Nexus 7 starts in 4th gear
I’m having some trouble with my Shimano Nexus 7-speed internal gear hub (from 2008) after reassembling my bike post-paint job. The hub seems to start in 4th gear, regardless of what gear I select on ...
- 111
2
votes
1
answer
41
views
Replacing brake lever on Shimano Nexus integrated shifter/brake lever
I have a Shimano Nexus Revoshift shifter with brake lever, part number SB-C6000-8, to use with a Nexus 8 internally geared hub. The brake lever has been sheared off where it joins the body of the ...
- 21
2
votes
1
answer
113
views
Moving beltline for Rohloff conversion
After my Shimano Nexus 8 IGH broke prematurely, I've been thinking of converting to a Rohloff, to salvage a mostly new bike (Cube Travel Pro).
The Shimano Nexus 8 runs with a beltline (chainline for ...
- 193
7
votes
1
answer
259
views
Repairing broken Shimano Nexus 8 hub
I have a Cube Travel Pro, which comes with a belt drive and a Shimano Nexus 8 hub, model SG-C6001-8D. The bicycle is a bit over a year old and used for city commuting in all kinds of weather. Has ...
- 193
0
votes
0
answers
38
views
Internal gear hub - missing parts
I've recently bought a wheel with Shimano Nexus SG-C3001-7R hub.
There are some parts missing on it, including sprocket:
I already have the compatible shifter (SL-7S50), but it ends with just bare ...
- 101
2
votes
0
answers
77
views
Rear hub is sticky and clacking when backpadeling
I'm having trouble with my Nexus 8 Hub. It started to feel strange recently after a tour. I got help by someone in a free bicycle garage. We opened up the hub, gave it an oil bath and greased all the ...
- 21
1
vote
1
answer
1k
views
Shimano Nexus 7 shifting issue
I have an older Batavus bike, with a Shimano Nexus 7 speed, which won't shift into the lower gears.
What I mean by that is; the dial will display the gears 1 - 3 but they all feel the same when ...
- 11
4
votes
1
answer
234
views
Shimano nexus 8 internal gear shift cable holder is broken. What can I do?
I have a Cube Hyde Pro equipped with a Shimano Nexus 8. The cable holding place is broken. As you can see in the image below:
As a temporary solution I glued it with a cyanoacrylate glue but it is not ...
- 163
2
votes
1
answer
1k
views
Why is my Nexus 7 "grinding" when coasting?
I have a brand new Nexus 7-speed IGH which is making a horrible grinding noise when coasting. It also "sticks" a little when backpedaling (i.e. doesn't immediately freewheel; I don't know ...
- 121
4
votes
1
answer
538
views
Is Nexus 7 supposed to be silent?
I almost bought an e-bike with a belt drive and a Nexus 7 hub today (link to bike). It's my first experience with gear hubs, I've chosen it (over derailleur) for the sake of easy switching in the city ...
- 163
1
vote
1
answer
264
views
Shifter/IGH stuck on 3rd gear on Shimano Nexus 7-speed
There are many similar questions on SE, but none I think are the same.
This morning, commuting on my bike with Shimano Nexus 7, I suddenly realised I can't shift anymore. I have a grip shifter, it ...
- 297
1
vote
1
answer
1k
views
Shimano nexus 3-speed hub gear, yellow dot does not move when adjusting
I have a bike with a Nexus 3 hub gear. Yesterday the shifting got out of whack, when set to gear 2, it was actually in gear 1, gear 3 was 2, and so on.
I looked up how to adjust it, and found that I ...
- 137
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
5
votes
1
answer
464
views
Nexus 7 Hub: Is it normal to have resistance when back pedaling?
I have a Nexus 7 speed hub with 19t cog and a triple chainring.
Experiment: Using a rear derailleur to take up chain tension; the hub shifts fine in all gears and the the triple shifts fine. It all ...
- 51
2
votes
0
answers
240
views
Does (or has in the past) an adaptor existed to mount a disc rotor to a Shimano Rollerbrake type hub?
I have acquired a Nexus 8speed rear hub. It’s a good one and I’d love to use it. However, it has been set up to use rim brakes and under the plastic cover is the interface to mount a rollerbrake. Does ...
- 15.3k
2
votes
1
answer
426
views
Shimano Nexus Inter8 hard to twist grip shift in higher gears
After my local bike shop did a tune-up on my HaiBike Radius, it has become very hard to twist my grip shift into higher gears when I am riding. The grips shift twists easily when I shift down or when ...
- 21
0
votes
2
answers
1k
views
Why does Shimano Nexus 3 internal gear feel differnt on 2nd gear with and without the pin and gear set up
I have a Windsor brand bike that has a Shimano Nexus 3 internal gear hub. Initially when I purchased the bike used it did not have the shifter. The chainring is 44 teeth and the cog is 22. It felt ...
- 175
1
vote
2
answers
1k
views
Compatible thumb shifter for Shimano Nexus 8 speed internal gear
My bike has an 8-speed nexus hub and the plastic adjustment screw broke. Now I can't adjust the cable anymore and can't use some of the gears. My question is, can I use a normal thumb shifter on my ...
- 63
6
votes
2
answers
257
views
Why some IGH have off-center flanges?
I was browsing specifications of internal gear hubs and noticed that many of them have flange center moved to left (relative to hub center). I'm wondering why, I think IGH should have symmetrical ...
- 61
2
votes
4
answers
1k
views
Shimano Nexus 8 IGH : recommendation or changes in bike setup for high altitude ride
I have bought a second hand bike (VSF T-100) which incorporates Shimano Nexus 8 IGH. The balls wobble inside the gear. So gear is not smooth. I have to change the IGH with a new gear and rim. I will ...
- 21
0
votes
0
answers
71
views
Why does my Shimano Nexus 8i need readjustment after every gear shift?
Since a month or two, almost every time I change gear my Shimano Nexus 8i becomes "unadjusted". I have readjusted it dozens of time but the problem persists. The gear is really easy to ...
- 351
7
votes
1
answer
1k
views
Alternative to 5-speed twist shifter for Shimano Nexus 5-speed IGH?
I'm going to buy a SG-C7000-5D / SG-C7050-5D and don't want to use the twist shifter. Unfortunately there aren't many 5-speed flat bar shifters around theses days. I've searched for alfine shifters, ...
- 170
0
votes
1
answer
835
views
Reinstall a Shimano nexus 7 wheel after puncture?
I took my back wheel off to fix the tube. When trying to put back together the "gear cassette" I was struggling, it just wouldn’t fit.
I eventually checked a youtube video that explains how ...
- 1
8
votes
2
answers
7k
views
Shimano Nexus 8 internal hub skip/clacking noise when under torque
Intro
Just 2 months ago, I bought a new Cube Hyde Pro 2020 bicycle with belt drive (Gates, rear cassette out of metal, CDC with 22 teeth) Shimano Nexus 8 internal hub (model SG-C6001-8D). I mostly ...
- 113
1
vote
1
answer
4k
views
Shimano Nexus 8 speed gear hubs: Difference between SG-C6000-8D and SG-C6001-8D?
I'd like to build a wheel with an eight-speed Shimano Nexus gear hub with disk brakes.
Does someone know the difference between the SG-C6000-8D and the SG-C6001-8D?
For both, Sheldon Brown says "...
- 517
1
vote
1
answer
2k
views
Why can't I adjust my Shimano Nexus 8 gear?
I have an three year old Electra Townie 8i with the Shimano Nexus Inter 8 hub gear that needs to be adjusted. I followed the guide in this clip
and it was easy enough. ...
- 351
1
vote
1
answer
439
views
Broken Shimano Nexus 8 Gear Hub
My HUb is a Nexus SG-8R31, 7 years and 3500 miles (5600Km) old. It has just developed a loud "clicking" noise when going forward, This happens both on and off the bike. It sounds like a broken ball ...
- 21
3
votes
2
answers
2k
views
Shimano Nexus with shift levers
Shimano Nexus usually comes with a twist shifts. Is it possible to also use shift levers with Nexus? Which ones?
More concretely, Shimano Nexus C6000 Revoshift (8s) (hub) and Shimano Alfine 7000 (8s) ...
- 291
1
vote
2
answers
817
views
Greasing a roller brake in a difficult spot!
I have a Gazelle cargo bike with Shimano Nexus roller brakes. I know these need to be greased fairly regularly. Unfortunately the bar from the carrier is right on top of the hole for adding the brake ...
- 11
2
votes
2
answers
1k
views
Bridgestone Albelt
For reasons that have nothing to do with bicycles I retired in the Philippines. I needed transportation and due to traffic density and poor infrastructure a bicycle made the most sense. It's a poor ...
- 83
5
votes
2
answers
659
views
Yellow anti-rotation washer, Shimano Nexus 3 speed with trailer?
Should I keep or remove the yellow anti-rotation washer when installing a child trailer to my e-bike (EcoRide with Shimano Nexus 3 speed)? The trailer installs through the wheel axle (see attached img....
- 1,037
2
votes
2
answers
194
views
What's wrong with my shifter?
This is a Nexus 7 spd hub gear twist shifter integrated in the brake lever. I had to undo the gear cable to get my rear wheel out. I therefore turned the bicycle upside down (some say that this alone ...
- 151
2
votes
1
answer
843
views
What are the differences between new Nexus 7 speed hub (SG-C3001-7), versus old (SG-C3000-7)?
From the outside shells seems to be different, but are there more important changes inside that influence durability or efficiency?
- 2,233
1
vote
2
answers
1k
views
Replace Nexus 3 with rollerbrake with Alfine 11
I have a cargo bike equipped with a Nexus 3 hub shifter and related roller brake. Since where I live is pretty hilly, I'd like to replace it with a shifter with a big range and little gap between the ...
- 23
9
votes
2
answers
29k
views
What are the differences between the Alfine 8 and the Nexus 8?
I'm shopping for a new bike and I have a choice between one with the Alfine 8 and the other with the Nexus 8.
They seem to be pretty similar, but from what I could gather from forums here and there, ...
- 215
2
votes
1
answer
3k
views
Can I replace my Shimano Nexus 7 with a Nexus 8 hub?
My 2 year old bike has a (damaged) Nexus 7 IGH, it started running heavy and I can't find out why.
Rather than getting it fixed I'm considering replacing it with a Nexus 8 hub, as they supposedly of ...
- 133
0
votes
1
answer
2k
views
What trigger shifters would be compatible with my Nexus-8 internal gear hub?
I've looked at similar questions to this and the only shifter that is brought up is the Shimano Alfine SL-S503 8-speed shifter. Are there any other compatible shifters (preferably trigger-shifters)?
0
votes
1
answer
2k
views
Shimano Nexus 7 gear hub slips
I need help on adjusting my Nexus 7 Shimano rear hub.
Today I tried to install a Shimano 7 gear shifter to change the gears on a Nexus 7 Shimano rear hub. Before installing, I lined up the red lines ...
1
vote
2
answers
7k
views
Degreaser and oil recommendations for Nexus 8
Morning!
i read a few articles about how to clean and lube the nexus 8, but i didnt found a good degreaser here i can leave my internal hub inside for a hour at least to breakdown the old grease, ...
- 11
1
vote
1
answer
999
views
Shimano Nexus SG C6000-8R and SL-S503
I have a very specific compatibility issue : I just bought a Shimano Nexus 8 "SG C6000-8R" rear hub and would like to know if I can use it with the Shimano "SL-S503" gear trigger.
The reference page, ...
- 175
3
votes
2
answers
3k
views
Installing a rear derailleur on a bike with a nexus 8 internal hub
I have a Giant Escape N8.
Unfortunately the nexus 8 hub is damaged, the wheel is also damaged, so I need to replace the whole wheel and the nexus 8. The chain also needs to be replaced, and I suspect ...
- 229
4
votes
1
answer
2k
views
Replacing broken nexus 7 gear hub with second hand one
My previous nexus 7 gear hub completely broke down and i decided to replace it with a second hand wheel. I took my bike apart, and used the sprocket gear of my old wheel on the new one. After that i ...
- 163
1
vote
0
answers
370
views
Nexus 3 Speed Hub Up Steeper Hills Turns Weird
I have a Linus Roadster Sport that has a Nexus 3 speed hub on it. It shifts gears just fine but I noticed recently that when I have it in first gear to go up a somewhat steep hill, the pedals turn ...
- 11
3
votes
1
answer
2k
views
The sprocket wheel on my Shimano Nexus 7(SG-R46) no longer rotates freely when free-wheeling my bike
The hub has just been serviced at a bike shop. With the bike on a work-stand, the rear wheel rotates when I turn the pedals backwards. There is a lot of resistance if I hold the wheel and turn the ...
- 31
2
votes
0
answers
3k
views
Shimano Nexus 3 coaster brake screeching sound
When I brake hard/er with my Shimano Nexus 3 coaster brake it makes a loud screeching sound. Like really loud, everybody on the street would hear it and turn around. Since I know it's all internal all ...
- 352
6
votes
1
answer
4k
views
Shimano Nexus 3 (SG-3C41) 2 and 3 gear problem - Ring Gear Unit Repair
I have this internal gear hub and i try to fix it. 1st gear is ok. On 2nd and 3rd gear, especially when I run faster, the hub is not engaging properly, missing engagement sometimes. It is not problem ...
- 2,741
2
votes
1
answer
293
views
Replacement for Shimano Nexus 7 outer casing holder
I swapped my Nexus 7 sprocket with a new and the bracket apparently has a much larger diameter, so my cable is not stopped. The drawings that came along showed that I need an "outer casing holder" ...
- 123
4
votes
1
answer
452
views
Could i break Shimano Nexus 7 with no cable attached?
Is it possible to ride (pedal) on bike with Shimano Nexus 7 with no cable attached?
Is it possible to push the bike without pedaling, when cable is unattached, or setting of shifter is not correct?
I ...
- 41
2
votes
1
answer
1k
views
Can't remove SHIMANO Nexus FC-C6000 Crankset
I'm stuck trying to remove my SHIMANO Nexus FC-C6000 Crank from the SHIMANO BB-UN55 bottom bracket. I've removed the bolts fine but can't get the cranks apart. Any suggestions?
- 145
3
votes
2
answers
3k
views
Combine Nexus 3 Hub with Torpedo 3 gear shifter?
I have upgraded my bike with a Nexus 3 hub, but the corresponding gear shifter takes away too much handle space on my crooked handle bar (I have to grab the gear shifter during my rides). Hence, I'd ...
- 133