Is Shimano Nexus 7 any good?

It is a pretty smooth turning hub, and very smooth shifting. It switches gears faster and smoother than an Inter-3. It also seems a quieter than an Inter-3 when pedaling and coasting, and the coaster brake also seems to work better and required absolutely no break-in period.

What is Shimano nexus7?

Shimano Nexus 7 Shimano’s super-reliable Nexus 7 hub offers all the low-maintenance reliability of the traditional 3-speed Sturmey Archer hub that your grandad used, but with a much wider range and smaller steps between the 7 gears, giving gearing equivalent to an 11-27 7-speed cassette.

How does a Shimano Alfine hub work?

Instead, the sealed Alfine employs an oil bath—like a car’s transmission—which can be drained through a port. Fresh oil can be injected with a special syringe. The whole system spins around a stationary axle that has three pawls—spring-loaded, wedge-shaped pieces of metal.

What is the difference between Shimano Nexus and Alfine?

The two main differences compared to Alfine 8 seem to be the exterior finish, which is better on the Alfine, and the braking options. Both can use rim brakes, Nexus 8 Premium can use roller brakes, while Alfine can use disc brakes. AFAIK the coaster brake Nexus hubs are/were the “ordinary” version with plain bearings.

Are Alfine gears any good?

Our review The Alfine hub gear is the upgraded counterpart to Shimano’s successful Nexus hub. It’s smoother, has a higher-quality feel and looks to be robust enough to go for years. There’s a certain beauty about internally geared hubs; they might be heavier but the bonus is their easy-to-live-with nature.

How do you maintain an internal gear hub?

Internal gear hubs are easier to maintain than standard derailleur systems. The main thing you need to do is keep the proper tension on your chain and lubricate it periodically. With a derailleur and cassette system you have to regularly clean your rear cogs and derailleur to keep them shifting smoothly.

How do you service an internal gear hub?

Clean the inside of the hub shell. Apply grease to the bearings and clutch rollers. I also inject 3cc or 4cc of the special Shimano oil (ice cream topping) between the gears before putting everything back together. Reinsert the cartridge and wipe off the excess grease.

Are hub gears any good?

Generally, hub gears have a long-life span and are usually maintenance free. The advantage of a hub gear is that you can shift gears when stationary. Hub gears allow you to change the gears from top to bottom whilst motionless, which is useful for urban riders who want to change gears at traffic lights.

Is a Rohloff worth it?

The Efficiency According to independent testing, Rohloff hubs are just as efficient as a derailleur drivetrain at transferring the power from your pedals to your rear wheel (~95% efficiency). In the mud, they would presumedly be even more efficient!

What are 7-speed bikes good for?

A 7-speed bike is great for riding on varied terrain, and is especially useful for commuters who want an easier, less sweaty ride to work. 7-speed bikes aren’t as easy to look after as single speeds. There are more moving parts, which need regular TLC, and in the long run could mean more parts to replace.

How do you lubricate a Shimano Nexus hub?

2 Answers

  1. Add chain lubricant when the chain squeaks.
  2. Re-tension the chain as it wears and the chain slack increases.
  3. Replace the chain and possibly the front and rear sprockets when they are too worn.
  4. Re-grease the internal gear hub.

Is Internal Hub good?

Internal gear hubs are excellent for bicycle touring or commuting- Many expedition bicycle tourists choose to ride with an IGH for more peace of mind. Commuters like them for the same reason. There is simply less to worry about in terms of maintenance and repairs. You get to spend more time riding.