Skip to main content

Questions tagged [nexus]

Shimano Nexus is a line of components designed around internally-geared hubs.

Filter by
Sorted by
Tagged with
0 votes
0 answers
27 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 ...
user3518753's user avatar
2 votes
0 answers
68 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 ...
alveeoyn's user avatar
0 votes
1 answer
673 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 ...
Andrei's user avatar
  • 1
4 votes
1 answer
190 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 ...
moddayjob's user avatar
  • 163
2 votes
1 answer
781 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 ...
You's user avatar
  • 121
4 votes
1 answer
421 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 ...
texnic's user avatar
  • 163
1 vote
1 answer
218 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 ...
Bennet's user avatar
  • 245
1 vote
1 answer
940 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 ...
GrixM's user avatar
  • 137
2 votes
2 answers
843 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 ...
d-b's user avatar
  • 341
5 votes
1 answer
427 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 ...
Rod's user avatar
  • 51
2 votes
0 answers
219 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 ...
Noise's user avatar
  • 14.1k
2 votes
1 answer
362 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 ...
Lohrider's user avatar
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 ...
mo_maat's user avatar
  • 175
1 vote
2 answers
891 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 ...
awe 1212's user avatar
6 votes
2 answers
248 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 ...
AKmatiAK's user avatar
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 ...
aguntuk's user avatar
  • 21
0 votes
0 answers
68 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 ...
d-b's user avatar
  • 341
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, ...
Tomblarom's user avatar
  • 170
0 votes
1 answer
764 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 ...
Chiara's user avatar
  • 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 ...
user2523745's user avatar
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 "...
OverTheRainbow's user avatar
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. ...
d-b's user avatar
  • 341
1 vote
1 answer
411 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 ...
Brian North's user avatar
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) ...
Ecir Hana's user avatar
  • 291
1 vote
2 answers
777 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 ...
Gill's user avatar
  • 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 ...
JoeKahno's user avatar
5 votes
2 answers
605 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....
Ola's user avatar
  • 1,037
2 votes
2 answers
179 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 ...
Romanda de Gore's user avatar
2 votes
1 answer
711 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?
Davorin Ruševljan's user avatar
1 vote
2 answers
975 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 ...
penguin86's user avatar
9 votes
2 answers
28k 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, ...
kokito's user avatar
  • 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 ...
Pelle's user avatar
  • 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)?
p4ran0id_sch1z0's user avatar
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 ...
user37334's user avatar
1 vote
2 answers
6k 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, ...
Pypoka's user avatar
  • 11
1 vote
1 answer
971 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, ...
filaton's user avatar
  • 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 ...
simao's user avatar
  • 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 ...
Kasper's user avatar
  • 163
1 vote
0 answers
358 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 ...
KaJe's user avatar
  • 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 ...
Rollercone's user avatar
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 ...
Nico's user avatar
  • 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 ...
krzyski's user avatar
  • 2,721
2 votes
1 answer
280 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" ...
Christian Madsen's user avatar
4 votes
1 answer
440 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 ...
Robert Salát's user avatar
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?
Mark Robinson's user avatar
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 ...
MaHo's user avatar
  • 133
5 votes
1 answer
1k views

Shimano Nexus 3 — what anti-rotation washer to use?

As I described in my previous question, I attempted a gradual conversion from a dérailleur to a Shimano Nexus 3 gear hub. I have installed the hub, keeping the dérailleur's pulley for now, with ...
andrewsh's user avatar
  • 227
4 votes
2 answers
4k views

Coaster brake suddenly not working (Nexus 3-speed hub)

My girlfriend took her bike out for a spin and noticed the coaster brake wasn't working at all. Instead of braking it just back pedals, not like a free hub, but if you back pedal the bike actually ...
Suedish's user avatar
  • 141
7 votes
3 answers
2k views

Switching from a dérailleur to a gear hub

I'm upgrading an old bike with a five speed dérailleur system which I'm trying to convert to use a three speed gearhub from Shimano. I have assembled the wheel, I know how to set up the gearhub itself,...
andrewsh's user avatar
  • 227
3 votes
2 answers
282 views

What speed is my Shimano Nexus 8 Hub in?

I made a mistake when changing a flat. I didn't have it in 4th speed. When I was changing the flat I shifted it for more give on the shifter cable >_< . Now my shifter says 4 and I don't known what ...
TravisKs's user avatar
  • 133