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Commuting Bicycle commuting is easier than you think, before you know it, you'll be hooked. Learn the tips, hints, equipment, safety requirements for safely riding your bike to work.

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Old 07-15-17, 05:52 PM   #51
sweeks
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Originally Posted by Scummer View Post
I've commuted on chain driven bikes with rear and front derailleur before and switched a year ago to a Rohloff with Gates Carbon drive. The difference in maintenance is huge.
In my dreams I have a commuter bike with a belt drive. If I couldn't have a Rohloff, an Alfine 11 or even a Nexus 8 would make me happy. I *did* have a belt drive on my first folding bike, but it was a Strida2; the belt was the best part of the bike.

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Originally Posted by TwinOaks View Post
...I should also have asked about roller brakes. ... But I'm now having to replace my rear rim due to brake wear.
I had this problem on my "winter" bike, a Dahon Mu XL. I was able to add a roller brake to the Nexus 8 hub very easily. No more rim wear. On my "spring-summer-fall" bike, a Tern Verge S11i, which has an Alfine 11 hub, I have replaced the rear rim twice due to brake wear (I use the front brake heavily; still it's the rear that wears). The Alfine 11 cannot accept a roller brake AFAIK, and the bike's frame does not have brake caliper mounts for a disc brake. Sad.

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Originally Posted by Banzai View Post
The other day I test rode a bike with an Alfine 11. It was dead silent. Seemed to work very smoothly. Quite a contrast to my noisy Alfine 8.
In 12,000 miles of experience with Nexus 8 hubs (2 of 'em) and 5,000 miles on the Nexus 11 I can report that both hubs are equally quiet. I really like the 11, especially because it just requires an oil change every 600 miles or so; I have to open the Nexus hubs and dip the internals in gear oil once a year (still pretty easy).

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Originally Posted by irwin7638 View Post
I had a disappointing experience with the Shimano Nexus 8. After a few years of use the retaining clip (which holds the gear cassette in place) broke. According to the parts list it should have cost .75 USD. They told my LBS they didn't make it anymore and I would have to buy a new unit.
This *is* disappointing. I would contact Aaron's Bicycle Repair to see if they can source the part... I assume you are talking about the clip that hold the "cassette joint" to the hub.

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Originally Posted by hobbitman View Post
I experienced nothing but frustration in the 6 months I had a nexus 8...I know some people love these hubs, but I don't really see an advantage.
When they work as designed, they are nice for commuting because they are a bit cleaner, have a simple (potentially ideal) chainline, can be compatible with belt drive and have less maintenance. I like them for small-wheeled bikes (like folders) because the chain doesn't hang down so close to the road where all the debris is. I suspect chains may last somewhat longer when they stay cleaner.
I can see, because they are not as easy to understand and work on (relatively inscrutable compared to derailleurs), that when they don't work properly they can be frustrating.
Steve
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Old 08-08-17, 01:43 AM   #52
colucci
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Derailleur free zone

The other week I realized that none of the 7 bikes I own has a derailleur! This is an older thread but I'm still going to add my 2 cents.

The shimano nexus and alfine IGH hubs not well suited for racing. MTB bike racing requires shifting while seriously mashing on the crank. This will break the alfine. Road racing requires the lightest and most efficient drive train which the alfine is not. But for commuting and all around cycling these hubs are great.

I reworked an '83 Trek 640 with a shimano red line 8 IGH, inspired by Sheldon Brown's San Jos8. It's been my main commuter bike as well as my long distance road bike for 6 years now. I have about 7,000 miles on it (including 3 century rides) and I absolutely love the shimano hub.

Yes you need to set and maintain the shift cable alignment, but it's much easier than tuning a 3x7 (or higher) derailleur setup. At this point I can adjust while pedaling. After 4 years of winter commuting and zero maintenance it was starting to feel sluggish. I had Ben's Cycle clean and re-grease the hub. $100 later is was like new.

I just bought a wooden road bike from Sojourner (mid-life crisis) and was contemplating a 1x10 setup. But riding in the 175 mile Ride Across Wisconsin on my Trek convinced me to go with an Alfine 11. Next to all those ridiculously loud drive trains, I felt like my bike was the only civilized bike in the crowd. The silence is indeed golden.
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Old 08-08-17, 02:54 AM   #53
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Originally Posted by TwinOaks View Post
Hi Forums.
I'm looking to get some reviews of the alfine internal gear hubs. My drive train is getting worn down and I'm looking at replacing it soon. My rear rim is also getting close to a replacement, so before I go ahead and do both of these I thought it would be a good opportunity for me to look in to getting the Alfine 8 or 11 speed on a new rim for commuting to work. Currently, I have a 34/50 crank and a 10-34 9 speed cassette. The low end is fine, and I don't really get to the top 3 or 4 gears, if I'm going that fast down hill I'll coast. I also don't get out of the saddle to power up some of the more intense inclines. Alternatively, I would build up a 1x9 drive train, pretty much the same as I have now but with a 36 tooth crank.
I was also thinking of putting the Alfine 8 on my MTB. This bike is something I use more for some light commuting, occasional trail riding, and family/fun rides.
Let me know if you have any experience with these and if these hubs have worked out for you.

Thanks.
You need the correct frame for it (or else you'll the results from the first response in this thread.)

If you're trying to force it onto a road/race or an MTB frame and not an IGH-specific frame, it will always be finicky. Personally, I'd look at an entire bike built around an IGR if you're going that way. This will also provide proper frame mounts for fenders, racks and fittings for a dynamo.

Cheap-ish complete packages can be found here:

Catalog in English

Remember that 20% of that cost is sales tax that you won't pay if you can demonstrate that bike is going to the US.
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Old 08-15-17, 08:52 PM   #54
sweeks
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Originally Posted by acidfast7 View Post
You need the correct frame for it...
This^^ in case it hasn't been discussed at length.
1) Frames for IGH usually have horizontal dropouts, though a chain tensioner may make a derailleur-equipped frame able to accept an IGH.
2) Many IGH (Alfine, Nexus, for example) are wider ("Over-Locknut Dimension" or O.L.D.) than hubs with cassettes. If the difference is not great, a steel frame may be "cold set" to change the O.L.D., but this is generally regarded as unwise with aluminum frames.
3) The chain-line may be affected adversely; this could increase noise and chain wear.

Better you should get a bike designed around the hub, as noted.
Steve
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