Gears in the drivetrain of a bike.

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What do I need to know about fitting new wheels on a bike?

My girlfriend has had the wheels stolen from her bike. I'd like to replace them, but we're working with a limited budget so I'm going to do the work myself and source the parts second hand. I've done ...
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1answer
608 views

What tension should the front derailleur cable be when setting it up?

I'm attempting to setup my front derailleur. I've slackened off the cable, adjusted the L screw so the derailleur just clears the chain. What position should the adjusting barrel on the handles be set ...
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110 views

Gears randomly switching

So I have a Trek Fuel SLR 90 and whenever I ride on flat dirt roads, the back gears randomly keep switching on me. It gets really annoying to ride Please help
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3answers
210 views

gears slipping after a chain change

I have a Lappierre Zesty 314 (2012). I'm running xt rear mech, a slx front mech, and my crank is xt and rear cassette is xt and xt chain. I went to the forest of dean and after the day was over I ...
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1answer
113 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 ?
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1answer
90 views

how to adjust the derailer - apart from the L/H limiting screws

Pardon my newb terminology. My bike's chain will not stay on the H gear (the big ring) The front derailleur will not allow it. I have loosened the limiter screw out to it's maximum and, still, no ...
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1answer
191 views

Do faired recumbents need more gear range?

I am researching into faired recumbents, bicycles or trikes, such as the Velomobile Quest or the Sunrider. I'm interested in cycling long distances as a daily commute and for touring, but have no ...
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1answer
626 views

swap Shimano Alivio gear indicator for cover plate

I want to move my brake levers and gear shifters around a bit. The problem is my gears (Shimano Alivio, bought 4 years ago) have a large gear indicator on it. This is meaning that either the brakes ...
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104 views

My Gears Are not Shifting Well

my gears are not shifting well. i can only shift from 1st to 2nd...i don't know what is the problem i have shimano revoshift gear enter image description here here are some images
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1answer
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RevoShift Friction: shifting to the largest gear takes a lot of force?

My wife's bicycle has Shimano Revoshift shifters, and while the right (rear) one works fine, the left (front, Friction) has been problematic for a while. Originally, when we bought the bicycle, the ...
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1answer
286 views

Slow switching up higher gears

I have a fairly new MTB and I'm currently trying to tune the gears. Currently I can change down gears pretty smoothly I.e. 6 > 5 > 4 etc but going up the gears is slow for the chain to switch cogs. ...
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28 views

Shimano Inter7 axle unit disassebly

I am trying to disassemble Shimano Inter7 SG-7C26 unit to clean and repair after a bearing retainer that is situated between parts 1 and 2 broke. I am having problems removing part 2. Does anyone know ...
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1answer
111 views

8 speed shifter with 7 speed cassette

I just got a bike with broken hanger and derailleur. As the owner didn't want to put money in good parts, I installed a cheap Sunrun derailleur compatible with index, and a new hanger. Just after I ...
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0answers
106 views

Gears jumping/slipping from the rear cogset on a new bike

Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano).. Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
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93 views

How can I prevent “chain suck”? [duplicate]

I know what the above is: when your chain bunches when you change gears & the bunch runs through the front derailleur and wrenches it. This damage is pretty much irreparable, and has cost me far ...
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130 views

What to upgrade to achieve a higher top speed?

I enjoy going fast and my current bicycle tops too early, what kind of upgrades would I need to make to achieve a taller final gear?
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1answer
212 views

Specific 10 speed chain models that work well on 9 speed Shimano rear drivetrains

I maintain several 9-speed (rear cassette) road bikes (Giant OCR 1/2/3, Tiagra and 105 from 2000-ish era) and one 10-speed rear cassette 105 road bike, made in 2007. I'm trying to find out if I can ...