Can I replace a 7 speed freewheel with an 8 speed?
Re: Can I change 7 speed shimano freewheel for 8 speed SunRace? Probably not. You would have to respace and redish the wheel to fit a screw on 8 speed in there otherwise the 8 speed screw on block will foul the chainstay. I would look at picking up a used 8 speed cassette wheel on ebay.
Can you replace a 6 speed freewheel with a 7 speed?
If your bike currently has a regular-spaced 6-speed freewheel, you can generally upgrade to 7-speed with little trouble. Since the sprockets are closer together on a 7-speed freewheel, the overall width is only very slightly wider than a regular-spaced 6-speed.
Can you put an 8 speed cassette on a 7 speed hub?
It should work. Spacing on Shimano is 5mm for 7 sp and 4.8mm on 8 sp. You’ll wind up with a phantom gear but everything should work.
How wide is a 7 speed freewheel?
Cassette /Freewheel Spacing
| Brand and model | Center-to-center Spacing | Total Width |
|---|---|---|
| 7-speed | ||
| Shimano HG 7-speed | 5.0 mm | 31.9 mm |
| Shimano IG 7-speed | 5.0 mm | 32.4 mm |
| Sachs 7-speed | 5.0 mm | 31.8 mm |
Is there a 9 speed freewheel?
This is a DNP-brand “Epoch” 9-speed freewheel. Since 9-speed hadn’t been dreamed of when freewheels were invented, it’s a little bit too wide.
What is the difference between a freewheel and cassette hub?
What is the main difference between freewheel and cassette hub? The freewheel is a single-unit and the act of pedaling tightens the freewheel to the hub. Whereas the cassette hub is a set of gears (cogs) that slides onto a cassette and is held in place by a lock ring.
Are freewheels still used?
A freewheel clutch is now used in many motorcycles with an electric starter motor. It is used as a replacement for the Bendix drive used on most auto starters because it reduces the electrical needs of the starting system.
Are all freewheel threads the same?
Freewheel Threading All recent freewheels and threaded hubs, regardless of where made, use ISO threading. The older British and Italian standards use the same thread pitch but a very slightly different thread diameter, and are generally interchangeable.
Which is better freewheel or cassette?
A freewheel has a lower number of gears so is better suited for casual riders who don’t require the larger selection of gears available from a cassette. It’s much better coasting, allowing you to rest your legs, and if done correctly, can be useful when climbing hills and easier coming down them.
What is the difference between a freewheel and a cassette?
Can I use a 9 speed derailleur on a 7 speed cassette?
Can I use a 9-speed derailleur on a 7-speed cassette? The answer is yes because the rear shift ratio of 9-speed and 7-speed derailleurs is the same if you stay within the same brand.
What’s the difference between 6 speed and 7 speed freewheels?
6 Speed to 7 Speed. If your bike currently has a regular-spaced 6-speed freewheel, you can generally upgrade to 7-speed with little trouble. Since the sprockets are closer together on a 7-speed freewheel, the overall width is only very slightly wider than a regular-spaced 6-speed.
Which is the best freewheel for a bicycle?
Close-ratio 7-speed freewheel, excellent choice for those who mainly ride in gentle or flat terrain, or for rolling terrain with a triple in front. Excellent general-purpose freewheel.
Can a 6 speed bike work with a 7 speed bike?
The sprockets are closer together on a 7-speed, so the overall width is only a tiny bit wider for a 7-speed vs a normal 6-speed. In rare cases, you might need to add a washer or two to the axle for clearance in the smallest sprocket. If your bike has friction shifting , it will definitely work with either 6 or 7.
Which is better dimension freewheel or drivetrain replacement?
Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they’ll help breathe … read more Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they’ll help breathe … read more