Questions tagged [shimano]

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

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58 views

Advice on correct spoke replacement

I need a replacement spoke for a Shimano WH-MT500 29er QR. Shimano dealer manual does not mention the spoke length. I've figued out its a 13G, double butted spoke but unsure about the length. I've ...
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1answer
108 views

Shimano MF-Z012 5 Speed Freewheel Shims

So after 35 years I have removed the Shimano freewheel from my original Puch racer, stripped and cleaned it and put it back together withoit losing any bearings. Phew. It was very gunged up. But ...
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2answers
254 views

1x Conversion FC-T8000

I've had a 2016 Ghost Square Cross 6 bike for about two years and I just realized that I never change the front gears once. To reduce clutter, weight and just make my bike easier to clean, I want to ...
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1answer
49 views

Nexus 7 speed will not go into 6. and 7. gear

Hope someone can help😎 I have an elder Nexus 7 speed internal gear, which will not shift to 6. and 7. gear but go backwards. Instead of getting the 6. and 7. gear, I get 4. or 3. gear. The ...
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1answer
45 views

How to close a chain when the pin was broken [duplicate]

I was changing the chain on a bike with a Shimano gear shifter and when I was trying to push the pin in it broke off after only getting the front section in. How can I recover and attach the chain?
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444 views

Wilier oversize bottom bracket bearing cups for Shimano crank

My bike frame is a Wilier Imperiale with Campagnolo crankset. I am changing the crank to a Shimano 6800. The bottom bracket does not fit to the Shimano one. It is old version WILIER OVERSIZE BOTTOM ...
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1answer
247 views

On Shimano disk brakes, are both pads supposed to move?

I have Shimano disk brakes (cable operated, no hydraulics), they are still pretty new. I noticed that under braking, only one of the brake pads moves inward. Is this how they are supposed to work? ...
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2answers
854 views

Are all Shimano 10 speed cassettes compatible with each other?

I am trying to buy a cassette for my new incoming carbon wheels so that I just switch them with my current wheeyl whenever I need to race/crit without the need to retune the shifter and derailleur. I ...
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1answer
339 views

Shimano hydraulic brake loses pressure

I recently changed the brake pads on my Shimano 105 (ST-R7020), and when pushing the pistons back, I felt a "pop", and the pistons moved back with no resistance at all. After using the bike for a ...
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2answers
228 views

Are Deore trekking / MTB groupsets compatible with cyclocross frames for touring conversion?

I have a pre-disc-brake vintage 10 speed cyclocross bike that has already seen me through some tours, however, I find the compact chainring is sometimes not geared low enough. I'm also growing ...
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2answers
280 views

Bleed port repair on Shimano road shifter?

I noticed that a small amount of mineral oil had leaked from the bleed port on my Shimano road shifter. I inspected the bleed port screw and saw that it was loose. The threads on the lever appeared to ...
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3answers
666 views

Shimano 11 speed component combinations

I want to upgrade my bike to a 1x system using a Shimano GRX-crank upfront. I however have a flatbar and can thus only fit flatbar shifters. What is the lesser evil? 11-Speed XT derailleur with XT ...
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1answer
46 views

Which STI name plate is this?

The spec sheet on my bike says I have Dura-Ace 9000 components. I want to buy a replacement name plate. The one on the left is genuine Shimano Y63X98020 and the one on the right is what I'm trying ...
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1answer
159 views

Why does my bike make too much sound if I am in the top 3 gears in the back and large gear in the front?

I have a Cannondale Synapse SE 105. Whenever I go downhill I tend to shift into combination of top (smallest ring) gears in back and large gear in front. My bike just makes so much amount of noise ...
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1answer
85 views

Clamp width of new Shimano brake levers

Can anyone measure the width of the clamp (the dimension parallel to the bar) of the new XT M8100 12 speed Shimano brake levers? I want to know the amount of 'bar space' the clamp takes up. The ...
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1answer
96 views

Is master cylinder hydraulic fluid level critical (Shimano)?

I managed to successfully bleed a Shimano hydraulic brake but used an improvised kit instead of the official Shimano one. Since I used a regular syringe instead of the funnel+plunger system which may ...
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3answers
3k views

Why does this hollowtech crankset have play?

Background Shimano deore crankset (not XT) The crankset has done about 10000km (6200miles). It is from a touring bike. Most of those 10000km was done with the bicycle loaded (bags on both front and ...
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2answers
581 views

Replacing Ultegra R8000 'long cage' derailleur (crash repair advice)

Today I did the unthinkable and crashed my pride and joy, a 2018 Specialized Roubaix comp. It's completely my fault I was commuting to work and in my pre caffeine state rode through what I thought was ...
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1answer
77 views

For a 9 speed shimano chain, must I use a shimano 9 speed connecting pin?

Are connecting pins interchangeable irrespective of whether it's a 7,9,10, n speed bike? If it does matter, are they interchangeable in some cases? i.e. you could use a 7-speed connecting pin for a ...
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3answers
1k views

Reinforced Shimano pin snapped before connecting chain - how to resolve?

My previous chain snapped weeks ago and only got a new one sorted. I've cut the chain to the right size, fed it through the derailleurs and onto the bike correctly. The last step was to use the ...
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1answer
65 views

Ultegra 6800 front hub plastic cover loose

The plastic cover on the right side of my Ultegra 6800 front hub (red circle in the photo) is loose and rotates freely independent of the hub. Is it normal ? If not how can I clamp it back?
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21 views

Which dust cap fits on the Shimano DH-C6000-3R dynamo hub?

I have a Shimano DH-C6000-3R without a dust cap and I would like to get one. The explosion diagram can be found here. Both the Shimano SG-C3000-7R and SG-C6000-8R internal gear hub with rollerbrake ...
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1answer
352 views

Mixing 11 speed shifter with 10 speed front derailleur (Shimano)

On my Specialized Rockhopper hardtail I run a Shimano 3x10 drivetrain. The derailleurs are both XT with the front mech being model number FD-M781. For an excellent price, I can get a new take off XT ...
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1answer
271 views

Newer Shimano R7000 pedals having smaller contact area than older R5800?

I was comparing Shimano PD-5800 and the newer PR-7000 SPD-SL pedals. Judging from the metal contact plate on them, the newer model seems to have a far smaller contact surface area. Is this correct ...
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1answer
55 views

New shifters on MTB

I would like your pro advice with a bike upgrade. Please refer for details: Specialized Hardrock Disc SE 26 (2014) Specs Why the upgrade? 5-year-old shifters, displays are cracked up and yellow. ...
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1answer
153 views

Dura Ace 7800/7900 vs 9000

I have Dura Ace 9000 mechanical shifters and I'd love to have hoods that aren't black. The only product I've found are Hudz but they only fit 7800 and 7900. Obviously there was enough of a change ...
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3answers
235 views

Upgrading Shimano Tiagra shifters

I have a 2014 Opus with Shimano Tiagra 10 speed. I have seen Tiagra shifters which don't have this annoying cabling coming out of the shifter and instead, they are together with the brake cables which ...
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1answer
111 views

Greasing a roller brake in a difficult spot!

I have a Gazelle cargo bike with Shimano Nexus roller brakes. I know these need to be greased fairly regularly. Unfortunately the bar from the carrier is right on top of the hole for adding the brake ...
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0answers
62 views

Small part for Shimano 105 brakes [closed]

My road bike has Shimano 105 brakes, circa 2003. Today, I removed the shoes from the front brakes, unscrewed the "fixing screws", and slid out the pads, so I can put in new pads. Somehow, for one of ...
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1answer
1k views

Crank and Bottom Brackets Compatibility for Shimano GRX

I want to get myself a GRX810 2× but instead of buying the recommended (by Shimano) bottom brackets (SM-BBR60 or SM-BB72-41B Pressfit Hollowtech II) I would like to go with either the Token TF24 or ...
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1answer
69 views

Difference betwen two rear derailleur?

What is the difference between these two rear derailleurs? On the pictures it seems, that the "rotation angle" is different. https://bike.shimano.com/en-EU/product/component/tourney.html On the ...
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2answers
78 views

Shimano METREA 1x11 from Shimano 3x8

Can I upgrade my bike with a METREA Urban crankset with chain guard 1x11-speed if my current system is Shimano FC-M171, 42/34/24 with bottom bracket Shimano BB UN26? And can I install CS-5800 ...
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1answer
113 views

Is there any reason not to buy 2x11 GRX shifters for a 1x setup if I don't plan on adding a dropper post?

I plan to buy a Shimano GRX 1x11 groupset. My understanding is that Shimano offer two left-hand shifters: 2-speed for 2x11 setups Dropper-post lever for 1x11 setups with a dropper post I do not ...
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1answer
98 views

What parts of 12-speed drivetrains are compatible between brands?

Now that Shimano has released their own 12-speed MTB drivetrains (SLX and XT), I have the following question: What parts of these drivetrains are compatible between Shimano and SRAM? I would guess ...
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1answer
1k views

What is the difference between Shimano 14-28T MF-TZ20 and Shimano MF-TZ500-6?

What is the difference between Shimano 14-28T MF-TZ20 and Shimano MF-TZ500-6 ? Shimano MF-TZ500-6, Shimano website Shimano 14-28T MF-TZ20, Ebay shop Does it mean that "Shimano 14-28T MF-TZ20" (...
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1answer
169 views

What is the difference between Shimano TZ50 and Shimano RD-FT55-SS

What is the difference between Shimano TZ50 and Shimano RD-FT55-SS? Shimano RD-FT55-SS Shimano TZ50 I understand, that both of them a very basic. (But it's the only options for rear derraliuer with ...
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1answer
1k views

Di2 left shifter not working

I got myself a bike with Shimano di2, but I am new electric gearing. I have a problem, that Front derailleur (left shifter) is not working. Clicking any of the buttons on the left shifter, does ...
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2answers
430 views

What is the working mechanism of Shimano Power Modulator?

How does the Shimano Power Modulator works? Since there are at least 3 power modulators from Shimano, I refer to the SM-PM40, a little cylinder that runs on the front brake cable. I never had the ...
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1answer
125 views

Will Shimano B01S brake pads work with m675 slx

I recently started cycling regularly again after 3 years or so and need to change some parts. It's infuriatingly hard to find information on compatability for parts now that CRC can't sell Shimano ...
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3answers
2k views

Is it possible to upgrade a rear derailleur with an other model, same company Shimano and the same speed

I'm planning to upgrade my MBT bike for a real one, well entry-level. Talon 3 2019, which comes with these specs for shifters and derailleurs Shifters: Shimano Altus, 3x8 Front Derailleur: Shimano ...
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1answer
273 views

Difference between Shimano SM-RT81 and SM-RT81-A rotors?

I am working on a retro/new bike project and I have bought the Shimano SM-RT81-A 160mm discs whit Shimano SLX-M7100 brake calipers. I have seen that the brake pads on the front rotor are about 5mm ...
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1answer
67 views

Fuji Transonic 2.8 2016: rear derailleur hanger direct mount or standard?

I have a Fuji Transonic 2.8 from 2016 that has the following hanger installed: https://wheelsmfg.com/derailleur-hanger-215.html I am replacing the short cage Shimano 105 rear derailleur with the ...
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4answers
10k views

Are the Shimano derailleurs sold on Ali Express genuine or fake?

I am trying to buy Shimano Alivio M4000 components. When I was researching on Ali Express, I found this. This is Alivio M4000 including the front derailleur, rear derailleur, left and right Shifters ...
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1answer
1k views

Can Shimano Claris use 11 speed cassette?

I'm sort-of new to road biking. I'm planing to upgrade my bike and group set slowly (since I'm a broke high school student). Right now I'm running Shimano Claris group set (except I have a R8000 ...
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2answers
1k views

Shimano GRX 2x11 brake rotor compatibility

I am looking for possible disc rotors for the GRX 2x11 that comes with the GRX BR-RX810 brakes but can just find one recommendation which are the Shimano Ultegra SM-RT800 Center Lock Ice-Tech, that I ...
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2answers
90 views

How to identify/find replacement bolt for STI

I have an old road bike with Ultegra ST-6501 STI levers. In the photo below you can see that the right lever has lost the rear bolt that holds the "outer" (shift up) portion of the lever in place ...
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2answers
136 views

Replace Shimano MT500 Caliper

I'm not finding a huge amount of information online about doing a caliper (only) replacement. My rear Shimano MT500 is having issues and I urgently need to get it working, therefore I've purchased a ...
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1answer
297 views

Shimano MT500 leaking from bleed port

My rear Shimano MT500 hydraulic disk brake has acting up for a while. After doing a full bleed and new set of pads it would be fine for about 2 weeks then start rapidly losing performance and ...
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2answers
257 views

BV-217 Antler bottom bracket service or replacement

I have a BV-217 Antler It is at least 7 years old and has had minimal maintenance, if any. I am stripping it down to its bearings and cleaning, re-greasing, reassembling etc. I am stuck at the ...
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2answers
155 views

Trek Madone SLR Di2

Hi there I have just bought a Trek Madone SLR Di2 disc road bike. All the components are Dura Ace except for the rear derailler which is Ultegra. I was told that it could not be Dura Ace as when ...

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