The internally-geared-hub tag has no wiki summary.
4
votes
3answers
194 views
Shorten or replace bicycle chain?
The chain on my internally geared hub bicycle is now too long even when the rear wheel is entirely pulled back. How do I tell whether it's sufficient to shorten the chain by removing some links, or if ...
1
vote
1answer
199 views
How much axle space for the cap nuts and chain tugs?
I am investigating whether I can insert cap nuts with too short axle attaching area. The image below is exaggerated but the attaching areas are about 1.2cm and 0.95cm. The difference 0.45cm meant in 6 ...
14
votes
4answers
13k views
What are the pros and cons of internal gears?
I've had my hybrid 24-speed for a bit over 3 years now, and just last weekend, when looking for a bike for my wife, discovered internal gears. Suffice to say it blew my mind when I saw 7-speed ...
24
votes
6answers
3k views
What's the efficiency of hub gears compared to derailleurs?
What's the efficiency of hub gears compared to derailleurs. I know that hub gears are not as efficient, a part from being heavier, how much will I loose in performance if I use hub gear?
9
votes
4answers
940 views
How many miles and/or commuting seasons will a modern internal geared hub last?
I've been considering drive trains on a utility / commuter bike. What are expected or actual lifetime / maintenance needs of modern internal hubs?
The Shimano Alfine internal 8-speed hub is on ...
6
votes
5answers
1k views
Why not have the gears inside the bottom bracket?
Looking into an IGH it seems the biggest disadvantage is having a huge amount of rotating mass. I've seen one handmade bike where the IGH sits above the bracket, inside a carbon fibre shroud around ...
6
votes
5answers
495 views
Is it possible to put a chain on without removing the rear wheel?
I have a bike with a single chainring up front and an internal hub and a coaster brake in the rear. (For those unfamiliar with this setup, it's essentially like having a single-speed bike in that the ...
3
votes
2answers
1k views
Slipping gears on new Electra Townie 8i
I just got an Electra Townie 8i bike and the gears are acting weird. I hear clicking noises when pedaling and sometimes it slips down to a lower gear. This is especially true for 4th gear.
Is this ...
