Questions tagged [shimano]

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

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54 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
75 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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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
391 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
60 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
957 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
53 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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16 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
116 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
72 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
49 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
60 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
74 views

Changing the 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
84 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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59 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
97 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
52 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
68 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
68 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
87 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
98 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
61 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
118 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
125 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
55 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
123 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
94 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
52 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
6k 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
154 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
637 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
74 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
93 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
77 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
250 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
125 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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1answer
49 views

Need guidance on selecting proper Gates belt drive components for my belt-ready frame

I have a very cheap, locally made bike with a belt drive installed on it (the frame is belt-ready). One more thing to note is that the bike is equipped with SG-3C41 IGH from Shimano. The problem is ...
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1answer
379 views

How to identify counterfeit Shimano parts?

I bought a pair of Shimano brifters from eBay, brand new. They have a few bumps and marks on the plastic and metal parts that look like poor quality manufacturing to me. Can anyone tell from these ...
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1answer
243 views

How to lower gearing on Tiagra 4700

I have a bike with Tiagra 4700 hydraulic groupset and I want to lower the gearing from the present minimum 34/28. The one thing I'd not like to replace is the shifters: These ST-RS405, while truly ...
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1answer
148 views

Are Shimano jockey wheels compatible between groupsets, provided same speeds?

Recently my Shimano 105 (10 speed, RD-5700) jockey wheels have started squeaking during shifting, so they'll be getting replaced. I'm thinking about moving up to Ultegra jockey wheels for the ceramic ...
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2answers
107 views

Can we use a 9 speed rear derailleur on a 8 speed bike?

I have a Rockrider 5.2 with a Shimano Altus 8 speed rear derailleur. After an accident it started to malfunction. I planned on replacing it with a Shimano Acera M3000 but then it is marketed as 9 ...
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1answer
46 views

Can I use the regular Shimano 2300 shifter/brake levers with Shimano 105 callipers?

Can I use the regular Shimano 2300 shifter/brake levers with Shimano 105 callipers? I’m looking to upgrade to Shimano 105 throughout but at the moment I can’t afford a full groupset so looking to ...
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2answers
358 views

Shimano 105 FD-R7000-F front dereailleur chain rub

Recently purchased a new Cube Attain GTC 2020 road bike, it came with : Front Derailleur - Shimano 105 FD-R7000, 31.8mm Clamp Rear Derailleur - Shimano 105 RD-R7000-DGS, 11-Speed Brake System - ...
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2answers
114 views

St 4700 shifter trim down question

I got a st 4700 tiagra shifter and fd r7000 front derailleur in double crankset. My problem is when i am in the big ring and try to trim down i pull the little lever on the shifter and hear a good ...
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1answer
106 views

Leak in my disc brakes

I had a small crash and the other day I checked my bike for damage. I found that there is very small leak on my brake hose where it meets the lever. I tried pushing the lever but nothing came out so ...
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1answer
142 views

Can I replace hood covers on Shimano ST-2300 brake/gear levers?

I'm looking to buy a replacement cover on my right brake/gear lever which is a Shimano ST2300. I've found a 'Shimano Bracket-Cover Hood Dual-Control-Lever R9150/R9170' Road-Bike on AliExpress, but I'...
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1answer
40 views

Stiff Shifting Levers

I was helping a friend build a bike from used ultegra 6700 components, and for some reason the shifting levers feel really stiff or difficult to shift, particularly when increasing in cable tension (...
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1answer
98 views

Shimano 105 5700 in 2019

I want to begin with road biking as a sport and are currently trying to find a decent bike. Some friends recommended to get the Radon R1 2019 with a complete Shimano 105 R7000 groupset. In a bike-...
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1answer
49 views

Is SRAM road 11-speed 11-42 cassette compatible with Shimano MTB 11 speed?

I know that SRAM has adopted Shimano specs for chains and cassettes so they should be interchangeable but before I buy, I'd like to confirm. Are these cassettes interchangeable: SRAM PG-1130 11-42 - ...
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1answer
58 views

Shimano FC-5700 chainring with FD-5600 derailleur?

Currently my front chainrings are Shimano FC-5600 48/40 with FD-5600 derailleur. As I can not get new chainrings in FC-5600 I was asking myself if my FD-5600 supports FC-5700 53/39 chainrings?