What is the difference between Nexus and Alfine 8?
The main difference between Nexus and Alfine groups is that Alfine is designed for disc brakes, and Nexus is designed for roller brakes. Disc brakes are better for riding in hilly terrain. Alfine 8 speed disc hub with centerlock disc attached. The disc doesn’t come with the hub, but are sold separately.
What are Shimano Nexus gears?
Shimano Nexus
- Shimano Nexus is a brand of bicycle components which includes products such as epicyclical gear hubs, cranksets, shifters, brake levers, hub brakes, hub dynamos, and a CPU for automatically changing gears.
- Inter 3 – This hub has three speeds with 36% intervals and an overall gear range of 186%.
What is a Shimano Nexus hub?
The Nexus hub is a fine piece of Japanese engineering, developed by Shimano over the past 20 years. The Nexus hub alone retails at £150. With its single chainring and single rear cog a Shimano Nexus setup offers much of the simplicity and the minimalist aesthetic of a single-speed bike.
What is Shimano nexus7?
With an improved internal gear mechanism that allows for a smoother ride, the SHIMANO NEXUS SG-C3001-7D hub offers a dependable 7-speed gear range. Improved internal gear engagement that allows for a smoother ride. Smooth shifting performance. Improved performance for both E-BIKE and non-E-BIKE usage.
How does the Nexus 3 speed hub work?
Three speed hubs use a planetary gear system to achieve a gear ratio between the sprocket and the wheel. In this gear system the sun gear is fixed in place while the planet carier is rotated. This causes the planet gears to rotate which in turn causes the ring gear to rotate. The rider selects a speed using a shifter.
What kind of hub does Shimano Nexus use?
Designed for smooth shifting even under the high chain tension of E-BIKEs, the SHIMANO NEXUS SG-C6000 series hubs provide an efficient 8-speed range and a long service life.
What kind of belt drive does a Shimano Nexus use?
Gates carbon-fiber belt drive also is available for some Nexus and Alfine hubs. Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. Cable-operated and hydraulic disc brakes are available.
Is there a coaster brake on Shimano Nexus 3 speed hubs?
Shimano Nexus 3-speed hubs — current production, 2017: Uh Huh. The current (2017) generation of Shimano 3-speed internal-gear hubs is available with a coaster brake or with an optional external Rollerbrake or disc brake. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake.
How many gears are in Shimano Nexus inter-8?
However, find yourself tackling very hilly country or carrying loads regularly and you might want to think about more hub gears. Enter the Shimano Nexus Inter-8. As the name suggests, there are eight gears packed into a hub weighing about 1.55kg (for the unbraked version that I tried – add 200g for the roller braked version).
