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Linus Bike/Internal Gear Question

Old 12-05-20, 05:43 PM
  #1  
bikesd
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Linus Bike/Internal Gear Question

About 8 years ago, I purchased a Linus Bike 8 speed with internal gears (Shimano Nexus). I used it to commute daily for about 5 or so years until the gears were stripped and the bike was barely rideable (most gears would slip while pedaling). I took it back to the shop where I bought it and rather than repair it, Linus sent an entirely new bike as a replacement. It was exceptional customer service and I was very impressed.


I rode bike #2 as an occasional commuter for a year, then took a whole year off of riding. This year, I've gotten slowly back in to riding and have put about 1,000 miles on it. I LOVE my bike. I'm a huge fan of the internal gears but I do wish there were more "hard" gears. Even the top gear is easy to pedal.


On the past few rides, I've started to notice 8th gear slipping, especially if I put high pressure on the pedals (like, say, if I'm riding up a slope).


My questions are:


Does it make sense to try again to get this bike repaired ?

Should I start thinking about upgrading to a bike I can outfit with a Rohloff? (I'd really like to stick with the internal gears.)

Is there something else I should be considering here? Maybe I'm riding my bike wrong or something?


Thanks for your help!

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Old 12-05-20, 06:33 PM
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One thousand miles is not a lot for a Nexus 8-speed hub. You should first make sure the shift cable adjustment is correct. If the hub is damaged, you might see if a local shop with IGH expertise can repair it. You could send it to Aaron's Bicycle Repair if there's no local service available.
The Rohloff is a nice hub, and it may be more robust than the Nexus, but there's something wrong if you're only getting a thousand miles out of the Nexus.
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Old 12-05-20, 09:18 PM
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The internal gears ratio can not be modified. You can replace the sprocket with a smaller one, this will affect all the gears. How many teeth have your chainring and sprocket?
The hub shouldn't be worn off after 1,000 miles. I'd check cable adjustment, which is critical on these hubs, and lubrication.
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Old 12-06-20, 06:02 AM
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You could and probably should repair the bike. It should all be fixable and worth fixing. That way you can have a backup bike. You can always change out your sprocket in the rear for something smaller or put a bigger ring at the front.

I would go Rohloff and belt drive for sure though. Co-Motion makes some excellent bikes spec'd with that as does Rodriguez+Erickson and a whole host of other custom builders out there. I would also get a dynamo system if you haven't already and build up a nice super commuter/touring bike and have tons of fun. I love Rohloff and their E-14 system for electric bikes is second to none and their regular system is the same but not a huge fan of grip shifts (luckily there are other options outside of Rohloff). Plus I think if you have ridden a bike for a long period and know you are into it, going the more custom route is really nice and gets you closer to what you want if not exactly what you want.
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Old 12-06-20, 07:14 AM
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I've had a bike with a Nexus-7 for 20 years and about 60,000 miles. At no point has it ever slipped while in a gear. It can pop out of gear when the shift cable is not properly adjusted and get stuck in a gear when water gets into the shift cable housing and freezes.. It gets fairly demanding use, as the final hill to my house is sufficiently steep that I am standing on the pedals at a cadence of maybe 15 rotations per minute. It did fail and require replacement at around 30,000 miles. The failure consisted of it suddenly turning into a single speed. You clearly have an anomalous situation. I'm thinking of a Rohloff, but only for the wider range of speeds, which would help on steep hills.
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Old 12-06-20, 10:01 AM
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My guess is that it is currently out of adjustment, and the first hub was damaged by riding and shifting while out of adjustment.

If the OP can confirm that the yellow lines are in-line in fourth gear and that that was confirmed on the first hub throughout the life of the hub, then I agree that we have a curious case of an early life failure on an otherwise reliable part.

bikesd , have you been shown how to check for proper adjustment and cable tension?

Last edited by aggiegrads; 12-06-20 at 10:07 AM.
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Old 12-06-20, 03:56 PM
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RJ the Bike Guy took one apart:

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Old 12-07-20, 11:03 AM
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bikesd
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Originally Posted by aggiegrads View Post
My guess is that it is currently out of adjustment, and the first hub was damaged by riding and shifting while out of adjustment.

If the OP can confirm that the yellow lines are in-line in fourth gear and that that was confirmed on the first hub throughout the life of the hub, then I agree that we have a curious case of an early life failure on an otherwise reliable part.

bikesd , have you been shown how to check for proper adjustment and cable tension?
I have no idea what the yellow lines are so I can't confirm that, I'm afraid.

Thanks all. I'll give my LBS a call and ask them to take a look at it and will mention the shift cable.
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Old 12-07-20, 11:27 AM
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aggiegrads
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Originally Posted by bikesd View Post
I have no idea what the yellow lines are so I can't confirm that, I'm afraid.

Thanks all. I'll give my LBS a call and ask them to take a look at it and will mention the shift cable.

Definitely do this before you take it to a shop. This is a really easy check and could possibly resolve your current issues.

All you need to do is shift to 4th gear on the indicator ands see if the two yellow lines on the hub adjuster line up. If they do not, move the barrel adjuster until they line up.
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Old 12-07-20, 05:09 PM
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Will do - thank you!
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