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Questions about shifting between gears or the shifters themselves.

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1answer
60 views

Shifting issues

I just finished some repairs on my bike, (Mongoose 26" 21 speed). I noticed that for some reason when I try to shift using the shifter, it won't shift to the lower gears. I can't get past seven. I ...
2
votes
1answer
77 views

Tiagra upshifting jumping 3-4 gears in middle of cassette

My Tiagra 10-speed shifters have recently been jumping multiple gears. Shifting down (from smallest cog to biggest) is fine (10-9-8-7-6-5-4-3-2-1), though maybe a little stiff. But shifting up will ...
2
votes
2answers
76 views

Oil leaking from right gear shifter?

The right gear shifter on my bicycle (which controls the gears on the rear wheel) has some wear holes and appears to be leaking oil over the shifter (see pictures). I'm fairly new to cycling, though, ...
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vote
3answers
73 views

Dura Ace 7700 (with American Classic RD205 rear hub) Broke Shifter. Upgrade Options

I’m currently putting quite a lot of miles on an older Canyon F10 carbon bike equipped with Dura Ace 7700 shifters, derailleurs and brakes. My wheels are American Classics with a newer RD205 hub, ...
2
votes
1answer
48 views

Bent shift lever on Shimano Deore MTB shifter

I bent the shifter lever on my Deore shifter mech and the bottom lever that would shift me into an easier gear is running into the lever above it when the bottom lever gets pressed in. If I try and ...
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votes
2answers
121 views

What's wrong with my gear shifter?

The mechanism inside one of my gear shifters is a bit skewiff and I can't lock the cover on properly. Any idea what the problem is? Pictures of the dodgy one and the ok one for comparison with the ...
0
votes
1answer
50 views

Shifter/brake-lever compatibility with front and rear derailleurs

I am currently converting my bike from flat bars to drop bars for a long touring cycle. I used to have Shimano SL310 shifters (8x3), but have now bought Shimano Sora ST-3300 (8x3) to mount on the drop ...
2
votes
1answer
155 views

Very stiff front derailleur

My girlfriend has been having problems with her front shifter/derailleur since she got her bike. For some reason, moving the chain from the middle ring to the big ring at the front, is very stiff. ...
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2answers
136 views

Shimano thumb shift compatibility

I need to replace a stiff twist-grip shifter with a thumb shifter to make gear down-changes easier for my wife. There is a choice of two available locally: Shimano SL-TX50R Tourney and Shimano Altus ...
3
votes
1answer
85 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 ...
4
votes
1answer
318 views

Repairing Shimano front shifter ST-EF41-L

My son's bicycle gear shifter SHIMANO ST-EF41-L (front 3 speed) malfunctioned (Both levers became free). I disassembled it and found 3 very small plastic parts on the bottom side of the shifter were ...
1
vote
2answers
232 views

Can I replace a Shimano Deore SL-M590 3speed Left shifter with an Acera SL-M310?

Total n00b question here, I did have a look for similar questions & answers first! I have a 2009 or 2010 Specialized Rockhopper SL with all Deore parts. The left shifter is broken. I can pay £23 ...
0
votes
1answer
97 views

Tourney drop to flat bar conversion [duplicate]

Is it possible to convert a drop bar road bike with 2x7 Tourney brifters to flat bar using Tourney rapidfire shifters? I believe they only come in 3x7 variant, so is it posible to use that and just ...
2
votes
1answer
297 views

How do I use the trim function correctly on Shimano shifters

I have Shimano SL-4700 Tiagra (flat handle) Double shifters. However the front shifter has 4 positions in this order: High High trimmed Low trimmed Low As can be seen in the image below. ...
0
votes
1answer
155 views

STI Shifter Lever body loose

I have Shimano STI shifters (model ST 2300) and the shifter lever (the part for braking and shifting) is loose. So if I hold the head (cockpit) and move it, the head also moves a bit. How can I ...
1
vote
1answer
250 views

Sora STI Shifters with Deore

I'm building a touring bike and was interesting in using STI shifters, just wondering if this setup will work. Shimano Sora 3500 STI Triple 3x9 Speed Road Lever Set with Shimano Deore M590 Top Swing ...
2
votes
1answer
75 views

Shimano Thumb Shifter button question

I inherited an old early 1990s Schwinn CrossFit with Shimano Thumb Shifters like in the photo below. There is a tiny black button that sticks out of the side of the shifter's circle. What is it for ...
3
votes
3answers
91 views

RB not ridden in 4 years unable to shift gear

After a bit of advice. I recently dusted down my Carrera after a 4 year stint in the shed. Knowing that it had a few issues I dropped it in to my local Halfords store. It required a few things mending ...
1
vote
1answer
150 views

How to replace brake lever from integrated shifter?

I had recently upgraded from grip shifter to thumb shifter. I have attached the new ST EF50 shifter for my Btwin RR 340vtt. Just today I broke the brake lever from the shifter. I don't want to replace ...
0
votes
2answers
76 views

New 2012's Sora 3500 vs used 2003's 105 5501

I am preparing my bike for a 2000 km trip. I have an old and used ~2003 hybrid bike with 105 derailleurs and want to change the current horizontal handlebars to road ones, so I have to change cables ...
0
votes
2answers
168 views

Bike shifts well for low gears OR high gears - but not both

I have been having issues with my 9-speed rear derailleur and was hoping somebody could help shine some light on it. Thanks in advance! I can adjust my rear cable tension such that either the few top ...
1
vote
2answers
77 views

Where to get gear shifter for 31.8mm handle bars?

I'm based in the UK and have bought some new handlebars that are 31.8mm for a hybrid 8 gear bike. My old handlebars were smaller in diameter so my old gear shifter won't fit. No gear shifters online ...
4
votes
1answer
518 views

Downtube shifters won't stay in low gear on rear derailleur

I've finished a bike restoration today and it's my first time using downtube shifters. They work and will span the full range of gears but won't stay in the big cog on the back for long, the shifter ...
6
votes
5answers
932 views

Rohloff twist shifter is too slippery when sweating

My Rohloff Speedhub is pretty slick, but unfortunately so is the twist shifter when I'm sweaty. In southern Florida, riding my trike, that's pretty much all the time. Switching gears already has ...
4
votes
1answer
204 views

Internal Cabling Problem?

I've been having some bike issues with a 2016 Trek Allant 7.4 . I'm looking for any documentation about this problem, or any known solutions that don't include externally routing the cable.   ...
3
votes
2answers
52 views

Brifter loose even with bolt tight

How to clamp a brifter to the bar more securely if the clamp is already very tight? More detail: After a small crash (no scratches on me, just a few on the bike), one Shimano Ultegra brifter was ...
2
votes
2answers
180 views

What shifters are compatible with the 8 speed cassette and Deore derailleur on my Trek 6500 ZX?

The top half of my right shifter fell off on a trail the other day, so I need to replace it, but I'm not sure what my options are. The bike is a 1997 model Trek 6500 ZX with an 8-gear rear cassette ...
2
votes
1answer
124 views

Question about Shifters

I have a bike with lever/downtube shifters. I hate them, feel like they don't stay in gear for more than 10 minutes at a time, and would prefer a bike that has preset gears. Is there a way to get the ...
4
votes
4answers
171 views

Restoring a steel Japanese bike from the early 80s

I recently picked up a Shogun 2001 touring bike from the early 80s. It's hardly been ridden and has a beautiful double-lugged frame with F&R racks, Al fenders and brazed-on threaded fittings for ...
1
vote
1answer
744 views

Drop bar to flat bar conversion

Gearing 14-Speed Shimano A070 STI Crankset Prowheel Ounce 42/52T Double Chainring Alloy Crankset Shifters Shimano A070 STI Front Derailleur Shimano Claris Rear ...
2
votes
2answers
248 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 ...
2
votes
1answer
602 views

Shifter not changing gear cable tension

I'm a beginner and I'm working on a bike. I'm trying to fix the shifting gears. I'm holding the shifter cable where it comes out of the housing by the front derailleur and I feel no change in tension ...
5
votes
3answers
4k views

Claris vs Sora shifters

I'm upgrading my road touring bike, currently with a 3x8 drivetrain and bar-end friction shifters. I'm going for integrated brake/shift levers, and wondering about the difference between the Claris ST-...
2
votes
1answer
101 views

Hot water to unjam trigger shifter

Can I use hot water to unjam my Shimano trigger shifters? Has anyone had any experience with this?
3
votes
2answers
93 views

Troubleshooting a new shifter

I'm trying to troubleshoot a new rear shifter that my bike store installed. The new shifter is a Shimano EF65, 9 speed. The bike is a 2016 Trek Allant 7.4D. I don't know what the derailleur is off ...
2
votes
3answers
3k views

All gears shift smoothly, but won’t shift into 1st gear/large cog. Help?

So I was tuning my newly acquired bike today and working with all 8 gears on the rear derailleur. I managed to properly set the high limit screw as well as cable tension so all gears shift smoothly ...
1
vote
1answer
149 views

How to increase friction on a Shimano SIS+Friction rear shifter when it is in friction mode?

I'm using some Dura Ace SL-7700 downtube shifters on my road bike. I bought them NOS. The right (rear) shifter has the D-ring for switching from SIS to friction mode. It's a bit strange that the ...
1
vote
2answers
93 views

How to dismantle Campag Ergolevers (hex key won't turn)

Following my recent question Overhauling 1998 Campagnolo Chorus Ergolevers, I attempted to take apart the right hand lever. But I got stuck at pretty much the first hurdle: undoing the bolt that ...
1
vote
1answer
231 views

flight deck st 4400 shifter replacement

flight deck st 4400 shifter not working. I have sprayed it and a man said is was US. What other shifters can I use new or used. I do not need the electrics cheers Steve
0
votes
2answers
62 views

9 speed SRAM shifter for dropbars?

Does anyone know if SRAM makes a 9 speed compatible shifter for dropbars? What's the best option for shifter/derailleurs for a 2x9 cross bike?
1
vote
1answer
76 views

Overhauling 1998 Campagnolo Chorus Ergolevers

I'm about to dismantle a 1998 Campag Chorus Ergolever, as I suspect that the G springs need to be changed. I then hope to reassemble them having replaced worn parts. I'm looking for any useful ...
0
votes
0answers
26 views

RX100 front shifter does not click and falls back to inner chainring [duplicate]

On my road bike with Shimano RX100 combined brake/shifters I noticed that the shifter for the front chainring no longer clicks and so fails to keep the chain on the shifted-to outer chainring. Instead,...
3
votes
1answer
151 views

Front gear issues with middle ring (not always making it over)

I've been trying to straighten out some shifting issues on a kid's bike, it's a Diamondback and is a few years old. On the front gear-set it has a few issues that I am having trouble fixing through l ...
9
votes
5answers
3k views

My bike goes up one gear at a time, but down two: is this normal?

Just over a year ago I bought a new bike (a Giant Escape 3) with a trigger gear system - my previous one had a grip-twist to change gears. After riding and experimenting for a while, I was able to ...
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2answers
82 views

Issue with the gears? [duplicate]

My cycle seems to have this problem, that whenever I change the gear it starts changing from the second sprocket. Whenever I start from gear one it starts from the second biggest sprocket, though it ...
1
vote
1answer
484 views

Wanting to change from bar end to road shifters

Just purchased a Co-op ADV 3.1 and the gearing is great, problem is I am hating the bar end shifters and would like to apply road bike shifters while maintaining the MTB gearing. It came with Deore ...
1
vote
2answers
337 views

adding bullhorn handlebars, what about shifter and rear derailleur?

I am changing to bullhorn handlebars and I'm having some difficulty figuring out what sort of derailleur and shifter I should get. I would like to use a 9 speed bar end shifter as I currently have a ...
0
votes
1answer
90 views

Rapid-fire Gear Shifter won't shift

I have a MTB equipped with Shimano brake combo rapid-fire shifters. My front shifter won't shift. When I push the lever to change to higher gear, it comes back to initial position. The gear changes as ...
2
votes
1answer
236 views

Sora front derailleur friction shifter

I have Sora front derailleur (bottom-pull), and I want to use friction shifter with it. I installed Dura Ace bar end shifters (on thumb shifter mount). No matter how I adjust the tension the shifter ...
1
vote
1answer
120 views

Help! My Campagnolo Record 11 shifters get stuck on my bar tape

I have on my rig Campag Athena 11 and Record 11 shifters. Recently, I've noticed the rear gear changing lever, are getting stuck on my bar tape, so when I want to upshift my cassette, I have to flick-...