Questions tagged [shimano]

Shimano brand bicycle components. (No need to use if Shimano is an incidental part of the question.)

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4
votes
1answer
214 views

XT derailleur 1995 maximum teeth?

I'm trying to upgrade my cassette for lower gearing on a Nishiki Continental. The previous owner put on a (NOS) Shimano XT rear derailleur. I use friction shifters. I looked on the back of the cage ...
2
votes
1answer
185 views

How long does it take for one to get settled on a new saddle?

I recently switched from a Selle Royal Seta T1 saddle to a Shimano Pro Falcon Anatomic saddle with a cut-out. It's lighter, wider (152mm), and has lesser padding than my previous saddle. The first ...
1
vote
1answer
228 views

Replacing FSA Mega Exo with Shimano RS500 crankset

Just bought a Jamis Renegade Explore which is the Sora equipped gravel bike. Only thing i can't stand is the fsa mega exo crank and square taper bottom bracket. I happen to have s brand new ...
1
vote
1answer
124 views

Shimano front-derailleur with 28.6 Clamp

For my new Shimano M780 based gear I need a pull down (or bottom pull) front derailleur with a 28.6mm clamp for a 3x10 without direct mount. All the derailleur I have checked do not have a 28.6mm ...
3
votes
1answer
153 views

How to find a model number that replaced an old Shimano part

Is there some listing of Shimano component model numbers that can help me find a currently-manufactured part that is equivalent to an old model number that is no longer being manufactured? In ...
1
vote
1answer
176 views

Incompatible front derailleur/crankset?

I recently bought a Tandem from the 90's and now trying to adjust the derailleurs. But, no matter what I do, I don't manage to properly set up the 3-way front derailleur. It either properly shifts ...
4
votes
4answers
301 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 ...
2
votes
2answers
547 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
66 views

Replacing one derailleur with another type

I have an older bike (between 10 and 15 years old), which has a alivio derailleur. It's an 8 speed, and I just replaced the cassette, chain and crank set. I noticed that there was a large amount of ...
2
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1answer
2k views

Upgrade Options for Shimano Crankset Tourney FC-TY701

My son has bashed up the inner ring on his crankset (Shimano FC-TY701) and since it is riveted I can't replace the bent ring. I want to replace it with something better but am not planning on ...
0
votes
1answer
240 views

Shimano V-Brake Loose cable at handle

The brake cable is loose at the brake handle. Can it be fixed? The metal end of the cable has pulled out of the little device that screws into the lever. thanks, ed marshall
5
votes
2answers
1k views

Brand new bike. Briefly removed the rear disc brake caliper, now it's too tight

I have a 2017 Cannondale Synapse Carbon Disc 105 with less than 10 hours of ride time on it. (I got it in March as unsold stock from last year) I noticed that after I had ridden for a little while, ...
3
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1answer
315 views

Can not replace Shimano Octalink with 105 Crankset

Hello! I am trying to upgrade my bike’s Octalink BB 118 mm to a 105 5600 BB and crankset. The problem is I can not make the plastic pin of 105 left leg fit the hole. I think the axle is too short or ...
0
votes
1answer
450 views

Shimano Nexus 7 gear hub slips

I need help on adjusting my Nexus 7 Shimano rear hub. Today I tried to install a Shimano 7 gear shifter to change the gears on a Nexus 7 Shimano rear hub. Before installing, I lined up the red lines ...
3
votes
2answers
805 views

Can I use Shimano 8 speed rear deraileur (Claris) with 6 speed SIS downtube shifter (for a 6 speed freewheel)?

So currently I have Shimano SIS downtube shifter (6 speed) with indexing, a 6 speed freewheel, and Tourney TX for the rear deraileur, they index properly. If I want to swap the RD with Shimano Claris,...
3
votes
1answer
780 views

Highest gear “jumps” under load

When I'm in the highest (smallest) gear and pedaling hard, it sometimes "jumps". I'm not sure if that's the right word, but I feel a bump in my feet for a moment and then I continue pedaling. It ...
2
votes
2answers
3k views

Shimano: what's the difference between medium cage and long cage?

I'm looking at XTR Di2, and it seems the rear derailleur comes in 2 variations: medium cage and long cage. What are the two sizes for? Do they match different types of cassettes? What kind would I ...
0
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1answer
280 views

Shimano RD-5800 and 7 speed cassette

Is Shimano RD-5800 rear derailleur compatible with a 7 speed cassette?
5
votes
1answer
178 views

Is it normal to have pins in the cup of “cup and cone”?

I got a shimano hub for my front wheel and rebuilt it last November, but didn't ride much until March. Now I hear a metal on metal grating noice when riding and my best guess is that it is comming ...
0
votes
1answer
73 views

Crank Set Quality Differentiators

I work for a bicycle tour operator in Cambodia. We run daily tours on mostly paved roads. I'm looking to purchase new crank sets for ten bikes but I'm having trouble determining if any of the models ...
6
votes
3answers
11k 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
1k views

How do I properly install pads into a Shimano BR-M365 disk brake caliper?

I've been an idiot. I took them off the bike this morning, and there's nothing left - the springs have been bent back and stripped off, and that strange 'rubbing' noise I've heard from the back wheel? ...
3
votes
1answer
109 views

Gear shifting : new to cycling maintenance

I'm new to cycling. I have a Soma Saga with SRAM X7 derailleur and Apex shifters. I have ridden about 200 miles on it. When I'm cycling, sometimes my gears shift/jump to the next gear on their own. I ...
2
votes
1answer
138 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?
0
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1answer
412 views

Caliper adjuster for Shimano 600 brakes

I have a pair of 1980s Shimano 600 brake calipers that look very similar to this From https://www.picclickimg.com/d/w1600/pict/253060189019_/SHIMANO-600-BR-6207-etriers-de-frein-brake-caliper.jpg ...
1
vote
1answer
306 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 ...
2
votes
2answers
93 views

Crankshaft Replacement

So I have an old Schwinn Crossfit MTB that Ive loved and had for a long time and recently wanted to fix and upgrade it a bit. I wanted to know about the crankshaft compatibility for it, as ill im able ...
3
votes
2answers
2k views

Shimano roller brakes: differences between each model and interchangeability

One of my bikes has mounted a Shimano Roller Brake (BR-IM35 FF in my case). These brakes on my bike are basically not working anymore and I would like to replace them (it's not a cable issue. They ...
2
votes
2answers
319 views

Is it OK if my brake pads are not “just” touching the rotor in my cable disc brake bike?

Mountain bike, cable disc brakes. My bike suddenly took a lot of effort to ride after maintenance. So I loosened the cable locking bolt and released more cable for my bike. It’s running much better ...
1
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2answers
2k views

Replace Crankset Claris with 105

Can I replace Shimano Claris crankset FC-2450, 50/34t for Shimano 105 53/39t?
3
votes
2answers
4k views

How do I tighten the loose chain given an enclosed Nexus rear hub?

How do I tighten the loose chain on my son's bicycle given an enclosed Nexus rear hub (3 gears but no visible external cogs) ?
2
votes
1answer
5k views

Changing 7-speed Shimano cassette to 10-speed [duplicate]

I have a bike with a 7 speed cassette. My question is can I swap it to a cassette with more speeds (like 10). I will change the derailleur to a compatible one.
3
votes
2answers
2k views

Why did Shimano eliminate the B tension spring on the latest rear derailleurs?

While working on my bikes (a road bike with Ultegra 6600 groupset and a MTB with Shimano deore XT M8000) I noticed that the upper pivot on the Deore does not freely rotate. Looking at the exploded ...
7
votes
2answers
8k views

Crank Arm Compatibility - Shimano Ultegra 6800 and R8000

Does anyone know if an Ultegra 6800 left crank arm will work on an Ultegra R8000 crank? I'm looking at upgrading my road bike, and I'd like to move my current crank-arm power meter over to the new ...
2
votes
2answers
793 views

QUARQ DFour installation on Shimano bike

I'd like to replace my Ultegra 6800 crankset with QUARQ DFour powermeter. But I don't know how to choose between BB30 and GXP versions. I have Shimano Pressfit SM-BB92-41B bottom bracket. Do I need to ...
1
vote
1answer
1k views

Why is the Shimano R3030 FD not compatible with the 3503 FC?

I have an older version of the Triban 520 with the Shimano Sora 3503 groupset (3x9 speed). I neglected it for two weeks over winter and the salt has done some damage. The spring in the front ...
5
votes
2answers
549 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 ...
1
vote
1answer
228 views

Shimano Dura-Ace 1st Generation Brake adjustment

I am trying to get my rear brakes to work properly but I do not understand how it works. I dissembled the caliper, cleaned each component (since the brake raked (?)). But now I have the problem that ...
1
vote
2answers
78 views

Replacing Motobecane 500 HT derailleur hanger

Can I just replace my rear derailer hanger in order to fix my derailer, is that an option? It looks like it broke and it definitely is detachable.
2
votes
2answers
285 views

Do Shimano MTB shoes in half-sizes make a perceptible comfort difference?

My 10+ year old MTB shoes are finally dying. I'm looking for replacements. My shoe size is usually 7 UK (42 EU) for the left foot and 7.5 UK (43) for the right. I see Shimano do European half sizes ...
2
votes
3answers
210 views

Mountain front derailleur for braze-on mount?

I'm converting a Giant 2006 carbon road bike to flat bars. It has this setup: Ultegra 6600 Triple, braze-on mount, bottom-pull, 52/39/30 105 5600 10-speed, 12-27 I have a set of SLX M670 10-speed ...
4
votes
1answer
1k views

Shimano hydraulic disc brake lever and caliper compatibility

My bike has Shimano BR M775 brake calipers and BL M775 brake levers. The right lever for the rear brake has a broken screw in the reservoir, so it needs replacement. As BL M775 is no longer available ...
3
votes
1answer
2k views

Shimano 7 speed with click shift not enough range. Can only get 4 of 7 gears

The indexing shifter (lever for down, click for up type) doesn't seem to have enough range to cover the entire 7 gears. Limiting screws are all the way out. If I adjust the cable I can get 4 lower ...
0
votes
2answers
83 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
2answers
2k views

Leaking lever - Shimano brakes M365

i recently took my bike to the LBS for brake service. Everything was fine until i noticed that the right lever (back brake) was leaking. Every time i press the lever, it sort of "burps" a bit of oil ...
5
votes
3answers
350 views

Type of Shimano “PlusMinus” (slot & Philips) screws

Shimano uses a screw type that is a mixture between slot and Philips (PH): There's a "PlusMinus" screw type for electrician equipment like manufactured by Wiha : (Source: Wiha) Are the Shimano ...
0
votes
1answer
4k views

Change Tiagra Cassette 12-28 to 11-34

I have an Opus Spark 2 which has a Tiagra cassette 12-28 (10 speed). I would like to change for a 11-34. The cassette exists in, a guess, the same series (http://bike.shimano.com/content/sac-bike/en/...
2
votes
2answers
710 views

Hydraulic disc brakes on cross bike (post mount)

I have just bought some post mount calipers (Shimano) to fit on a cyclocross bike and separately some 160mm discs. The calipers do not quite sit flush on the post mounts (front or back) before the ...
2
votes
2answers
710 views

Shimano Steps E6000 battery charge percentage falls abruptly

When the battery charge gets to about 20-25% it drops abruptly to 5-10%. The steeper the hill and higher the load drop percentage is higher. Examples: from 25% to 6% steep hill from 13% to 8% small ...
-1
votes
1answer
139 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 ...