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Questions tagged [7-speed]

Refers to bicycles and components with or comprising a drivetrain with 7 sprockets on the cassette.

3
votes
1answer
124 views

Replacement shifter for Shimano exage 7-speed - modern shifter compatible?

I've got an early 1990s Schwinn Crosscut with Shimano Exage LX400 components. I've just pulled it out of storage. The bike is in pretty good shape overall. The derailleurs are moving freely and the ...
3
votes
2answers
725 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 "...
2
votes
2answers
286 views

Run a Shimano STX derailleur with 8 speed cassette or bigger?

I've heard that it's possible to run the same derailleur with different shifters to get a different number of gears. I would like to know what the limits are to this idea. I want to keep my Shimano ...
3
votes
1answer
1k views

Is there a difference of spacing between cogs on a 7 speed cassette vs a 8 speed cassette?

Is there a difference of spacing between cogs on a 7 speed cassette vs a 8 speed cassette? When I got a new wheel (upgrade from freewheel hub), I tried to get a 7 speed cassette (SRAM) for it, but ...
4
votes
1answer
116 views

replacing stolen rear wheel. compatability question

I recently had my rear wheel stolen, it was a 7 speed. In looking to replace it, most cassette/wheel combos I am finding are 8 speed. The shifters are old suicide shifters and the deralier is ...
1
vote
1answer
2k views

Replacement for SR Suntour XCC, 48/38/28T, 170mm alloy crankarms?

I recently bought a revolution cross 1 and after a week I've bent the middle chain ring quite badly and the outer one a bit, I think by spitting a big rock out from the front wheel and unfortunately ...
2
votes
1answer
411 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. ...
4
votes
2answers
204 views

Replacement cassette for Schwinn Jaguar 7-speed?

How would I figure out the correct replacement for a 7-speed Schwinn Jaguar cassette? I'm newer to working on bikes (but lots of automotive experience). Got this bike inexpensively. Chain keeps ...
3
votes
1answer
336 views

upgrade from MF-TZ21 to 7 Speed cassette freehub

I'm trying to save costs so I want to upgrade to 7 speed 11-28 Cassette to keep the same shifters, dealer says I need a new Freehub, new 7 Speed Cassette, new chain AND NEW DISC BRAKES, why do I need ...
1
vote
1answer
104 views

What is the relationship between block, gear speed and derailleur? With Pictures

I am buying a new bicycle. The seller tells me it is "14 speed with 8 speed block, but the derailleur won't reach the lowest gear, so I will switch to 7 speed block". How many gears will the bicycle ...
4
votes
3answers
281 views

cold setting 3-speed road frame to 7 8 speed cassette

So my old road bike has a 3-speed freewheel, dropout spacing is about 114 mm. I'd like to give it an upgrade and put a 7 or 8 speed cassette (maybe stick with a freewheel if 6-7 speed, I just want ...
1
vote
3answers
7k views

Can a 7 speed Derailleur work on a 8 speed cassette

Can a 7 speed Derailleur work on a 8 speed cassette I have a extra 8 speed shifters? and a wheel that has a 8 speed cassette.
1
vote
1answer
3k views

Shimano RD TX55 Tourney TX 6/7 Speed Compatibility

I currently have a 7 speed bicycle, and recently changed my rear derailleur to a Shimano RD TX55 Tourney TX for a 6/7 speed compatibility. My shifter is Shimano Rapidfire for 7-speed. The current ...
1
vote
1answer
1k views

Compatibility for old Sram 7-speed shifter

A buddy asked me to fix his bike. The shifter is broken. It's an older bike with a Sram SRT300i-71 shifter. I found an exact match on that is fairly cheap on ebay, but I also found a similar model on ...
5
votes
1answer
149 views

Can I replace a 9spd freehub with a 7spd one?

On my commute this morning I established that my freehub needs replacing. There's obviously something wrong with the ratchet mechanism, because it intermittently refuses to engage. My existing setup ...
4
votes
2answers
7k views

What do I need to know when replacing my cassette?

I'm looking to replace the cassette on my bike with a smaller version, as I find I'm only ever using the top ring of my chainring (except once recently during rain-ageddon). What do I need to know ...
1
vote
1answer
2k views

7 speed rear derailleurs for road bike?

I recently broke my Derallieur in my Road bike and I am planning to get a new one online but I dont know exactly which one to get is for the rear Derailleurs of 7 speeds. thanks
26
votes
11answers
26k views

How do I keep my pants/trousers from getting caught in the gears?

I have the unfortunate habit of always getting my jeans stuck in my gears and end up with a nice rip on the seams. I've used those velcro braces to keep the bottom of my pants leg close to my body ...
1
vote
3answers
2k views

Replace 7 speed 14-34 cassette

I want to replace my cassette which is 7 speed 14-34 shimano. The problem is I can't find exactly the same one. All I saw its 13-34 or 14-32 cassettes. So the question is: It is possible to replace my ...
6
votes
2answers
4k views

Tightening rear quick release stops rear wheel

I have a medium sized Trek Mountain Track/Antelope with a seven speed freewheel. When I tighten the rear quick release, I have to carefully back off on the tightness so that the wheel will actually ...