All Questions
18 questions
0
votes
0
answers
75
views
How to replace a band (hub, drum) brake with a freewheel
I am looking to convert my bicycle into a semi-electric bike by adding a freewheel. The 2 freewheels will allow me to use either pedals or an electric motor to move the bike. However, I don't have ...
- 139
2
votes
2
answers
140
views
Freewheel/gear slipping
I have a new bike which is roughly 6 months old and has not been used much. I've ridden roughly 120 miles on it and the gears or freewheel has started slipping when I'm in the lowest gear while ...
- 21
5
votes
2
answers
446
views
Compound for freewheel locking sprocket threads
I have an oldschool SunTour 6-speed freewheel, where the smallest sprocket screws on the freewheel body to lock the larger sprockets in place.
It's a normal right hand thread, so as you pedal in the ...
- 53
7
votes
3
answers
3k
views
How can I lower the gear ratio on my son's bike?
I got a SH Commencal 24" MTB for my son. He loves it - except on climbing steep slopes where he runs out of steam.
It comes with a 7-speed 14-28T freewheel (Shimano MF TZ21) + Acera derailleur, ...
3
votes
1
answer
790
views
Replaced rear axle, now seems to wobble
I was replacing a tyre a couple of days ago, and noticed my rear axle had snapped.
So I replaced the axle, just a normal road 10mm x 145mm, it's a basic Shimano sprocket set and no-name aluminium ...
- 133
1
vote
1
answer
201
views
Levels of derailleurs, freewheels and chains
What are the levels of derailleurs (Shimano probably) I know Altus and Acera but don't know the higher end ones. I am putting this on my Sondors Fat ebike. I will be using a 7 speed freewheel, and a ...
- 11
3
votes
2
answers
9k
views
Best option to upgrade 7-speed bike to higher gears
I have recently bought Giant Escape 3 hybrid bike that came with:
Shimano FC-TY501 28/38/48 chainset 8/7/6-speed compatible
Shimano Tourney RD-TY500 7/6-speed rear derailleur
Shimano MF-TZ31 14-34T &...
- 377
8
votes
2
answers
2k
views
Help me understand my 8-speed uniglide compatibility issue
I have a Dura Ace 8-speed uniglide rear hub/freewheel marked 'Integrated 8 SIS' and an 8 speed uniglide 14-21T cassette.
Two issues - the first being that the smallest cog needs to be a special 32mm ...
- 677
0
votes
2
answers
7k
views
Is it possible to upgrade a 6 speed mountain bike to 7 or 8 speed?
I ride a Hero Sprint, MTB, with 6 gears in rear and 3 in the front. I am thinking about upgrading my 6 gears to something like 7 or 8. Is it possible, if yes, how much does it cost, and what are the ...
- 11
3
votes
1
answer
2k
views
What is a good replacement for my MF-Z012 6 speed wind on cassette?
I'm trying to find a good replacement for my MF-Z012 6 speed wind on cassette. Thing is, I've upgraded my bike with '93 Dura-Ace rear and front derailleurs. Trouble is they are 7-speed compatible. ...
- 123
3
votes
2
answers
431
views
Regina Extra Freewheel or Cassette
I have a road bike (Carlton Flyer, 1977) with a regina extra rear cassette. I'm interested in downgearing it (i live on a massive hill) and am trying to identify whether it is a freewheel or cassette ...
- 31
-2
votes
2
answers
1k
views
Using only 7 speeds of an 8 speed freewheel is ok?
I currently have a 7 speed Shimano RD (rear derailleur) that is working perfectly with the stock 7 speed freewheel which is 14-28. Shimano has a MegaRange 7 speed freewheel that is 14-34 but the ...
- 818
3
votes
3
answers
6k
views
Rear index shifting not staying in middle gears
I have replaced a chain (SRAM PC 830) and 7 speed freewheel (Shimano MF-HG37) on the back of my daily commuter bike about 300 miles/ 3 weeks ago with the same models. The old parts lasted me 4000 ...
- 2,361
5
votes
1
answer
6k
views
How can I tell if my bike has a freewheel or a cassette?
I bought a Frankenbike off Craigslist.
It's a Specialized Rockhopper of unknown year, converted to a commuter, with shocks up front and V-brakes.
I love this weird little bike and want to put a ...
- 562
2
votes
1
answer
289
views
Can an IGH have the same maximum overdrive-ratio as a crank-sproket setup?
Is there an IGH that gives one the maximum overdrive-ratio that one might get with a 39-53T crankset and a 11-34T freewheel? If not, what is the mechanical roadblock in making one ?
- 295
4
votes
1
answer
738
views
Is it a good idea to switch to hub gear?
I have a Firefox Roadrunner Pro. I wanted to know if it was a good idea to install an internal hub gear on it. I want to install it to reduce dust accumulation and oiling and to simplify the wheel-...
- 295
4
votes
2
answers
3k
views
Mounting a 7-Speed Cassette on an 8/9 speed hub
I asked an earlier question regarding putting modern road wheels on my old steel frame.
After clarifying a few things the main issue to me is the number of gears on the freehub. (The freehub I'm ...
- 1,189
5
votes
5
answers
23k
views
Chain "vibrates" on higher gears
My freewheel that I have installed myself only 1.5 years ago has totally worn out by the moment and so I just had it replaced along with a chain at the workshop. I'm still concerned though about the ...
- 791