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0
votes
1answer
235 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 ...
20
votes
4answers
22k 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 ...
3
votes
1answer
348 views

Source an internal/hub derailleur for Bianchi Bergamo

Is this really such a novel piece of equipment? 2006 Bianchi Bergamo internal/hub derailleur I commute with a lot of weight on the rack and pop spokes in my rear wheel at least a couple of times a ...
6
votes
5answers
696 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 ...
26
votes
6answers
5k 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?