Questions tagged [shimano]

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

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2answers
705 views

Two broken teeth in Shimano 105 crankset

I have just received my new 105 7000 cranksets and I believe there are two broken teeth perhaps cause by mishandling of the shipment company. Do these affect the performance of the shifting and do I ...
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0answers
14 views

What bolt size are Shimano brake caliper bolts?

A front caliper bolt on a shimano disc brake caliper came out while riding, and went lost, while the remaining bolt, which was a little bit longer and thus protruded a little was completely bent. ...
5
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1answer
53 views

Hollowtech II BB alternative for stripped frame threads

I removed the BB (Shimano BB-93) from my Canondale Trail and found the drive side thread is stripped on BB and frame. See and What are the options for me to replace the BB? Is there an alternative ...
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2answers
602 views

Frayed cable inside front derailleur

I noticed today that my the cable controlling my front derailleur is beginning to fray. Hoping to get this great group's thoughts on the situation. It's a Shimano 105 2x11. Bike has about 150 miles on ...
1
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1answer
69 views

105 R7000 rear shifter malfunction

Disclarimer: sorry for the wall of text and for my English: I tried to describe the problem as best as I could and English is not my native language. Hello. I have a following problem with my Shimano ...
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2answers
69 views

Chain touches plate between pulleys

I've replaced chain and dropout hanger. The rear derailleur is Shimano Claris. When I'm turning pedals chain (Shimano hg-71) is touching small plate (marked with red arrow) between high (closer to ...
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1answer
77 views

Direct mount vs. hanger derailleur

Currently repairing a bike that I got off the road for free years ago. Around three years ago, a stuck link caused a chain jam while pedaling at high speed, causing the metal around the b-knuckle on ...
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0answers
37 views

8 speed Quando rear hub rotating in both directions

The 8 speed Quando rear hub of bike rotates in both the direction. can it be repaired or needs to be replaced? Please advise what's the issue.
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0answers
30 views

Are Shimano R7000 chainrings (50 and 34T) compatible with Ultegra R8000 crank?

I need new chainrings due to slipping chain and decided to replace them. I currently have an Ultegra R8000 Chainset and don't want to replace the crank arms (as it is really expensive). Ultegra is ...
3
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1answer
145 views

Reach Adjust on Shimano hydraulic brake levers for MTB flat bar

I am thinking to install Shimano BL-MT200 (or the BL-M315 depending on availability) on my son's bike (my son is 7 years old). The bike currently has short reach brake levers for the current ...
3
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2answers
187 views

Can I use Shimano 105 rear derailleur from 11-speed bike with 10-speed Tiagra shifters?

I have a 10-speed 2013 Specialized Allez Elite with Tiagra componentry (and an 11/28 105 cassette) and would like to install my old Shimano 105 rear derailleur in the back to replace the Tiagra one. ...
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0answers
20 views

Reynolds freehub body with indents [duplicate]

I have a Reynolds AR62 wheel on my road bike. When I took off the Shimano CS-R7000 11-28 cassette, I noticed some indents on the freehub body (see image below). The indents are only present at the ...
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2answers
42 views

How do I figure out what the model number is of my Shimano rear derailleur?

Here are pictures of my current derailleur I need to replace.
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2answers
27 views

Can you interchange a FC7710 Octalink drive side crank arm with a FC7701 Octalink crank

I want to change to a 165 mm crank length on the drive side of my Dura Ace Octaplus FC7703 triple chain set. Can I use a drive side Dura Ace Octalink FC7710 track crank to do this? Are the two crank ...
2
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1answer
50 views

Replacing crank rings 26/36/48 on XT T8000 with 22/30/40 SLX M7000

Are the crankrings interchangeable, will XT front derailleur work? Bike set up all XT components. Want to improve gear inches. XT is not offering smaller crank rings. The bike is all T8000 components....
4
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1answer
286 views

Upgrading 3x9 to 1x12 Shimano

I have an old 26" hardtail that I want to convert to Shimano SLX 1x12 (M7100) from its current 3x9 drivetrain. As the new 1x12 uses a micro spline hub, I am thinking of changing my rear hub from ...
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3answers
87 views

I have a customized Salsa Journeyman Claris. How small can I go for my small chainring? I'm not sure how to verify compatibility

It's a Salsa Journeyman Claris drop bar 650b converted to flat. The flat and drop frames are the same, but the drop comes with road bike components. I have already upgraded a Sunrace 11-40t cassette ...
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1answer
26 views

Shimano FD R7000 Height Adjustment

I’ve been getting a little bit of chain rub on the extreme opposites but that’s to be expected, however when looking at the FDR this morning after a quick clean, it appears it may be higher than it ...
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2answers
24 views

Shimano Deore 2x10 derailleur M6025-L with 3x Alivio M4050 crank

Will my Shimano Deore front derailleur M6025 2x10 work with Shimano Alivio 3x crankset? I'm confused because my front derailleur is not 3x design.
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1answer
51 views

Low sprocket exceeds derailleur max teeth but total capacity within range of derailleur

I plan on keeping a 2x10 drivetrain on a couple of bikes, and I've come across a sale on 10s cassettes. One of the cassettes is a Shimano HG-500 with 11-42t count. The front drive will be either 34-24 ...
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0answers
29 views

How can I determine what postmount I need for my fork / rotor for front and back

I am planning to purchase Shimano Saint BL-M820 + BR-M820 hydraulic disc brake set for my Specialized Stumpjumper Comp and I have no idea what post-mount to buy since I changed my fork and I am pretty ...
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1answer
23 views

Carerra Hellcat - Front Derailleur issues - Possibly replace

I am new here and to cycling as an adult (last time I rode I was a teenager some 30 years ago). I have bought a second hand Hellcat and am having issues with the front derailleur (FD). It sort of ...
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1answer
59 views

Bottom bracket compatibility

After two LBS's, a blowtorch and a tyre shops impact driver I finally have my bottom bracket out. It an aluminium frame if that makes a difference. On the drive side some of the thread is gone, ...
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2answers
86 views

Customizing the smallest cog

I am running on a Shimano Tiagra 10 speed (CS-HG500-10) (12T-28T) and (50-34T front). I'd like to change the smallest cog (12T) to something smaller, i.e., 11 or even 10, to improve my sprints. Is ...
2
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1answer
77 views

Will an Shimano M8000 brake lever blade fit a M8100?

Will an Shimano M8000 brake lever blade fit a M8100? I broke my left blade, it's a Shimano XT M8100. I can only seem to find the replacement M8000 part. I don't want to replace the whole unit, seems ...
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1answer
40 views

Replace Vintage Shimano Trigger Shifter

I have a Cannondale M600 Red White & Blue. My 7 speed Shimano integrated trigger shifter will no longer function. I cannot tell the model I cannot fix it nor find an identical replacement what ...
3
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1answer
45 views

Why can't I adjust my Shimano Nexus 8 gear?

I have an three year old Electra Townie 8i with the Shimano Nexus Inter 8 hub gear that needs to be adjusted. I followed the guide in this clip and it was easy enough. ...
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1answer
40 views

Ultegra R8000 Crank Spacer

Does the Hollowtech II Ultegra R8000 crankset need to use spacers? I just converted my bike from praxis to shimano (finally I have the whole groupset!). I had to replace the BB and cranks (duh) for ...
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4answers
114 views

Is 160mm crank too short?

I’ve done some research about crank length. When I’m riding foooool gas my knee is starting to hurt but when I’m just chilling in group rides I feel alright. My crank length at the moment is 172.5 and ...
2
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4answers
479 views

General question about small transmission changes

I am trying to wrap my head around the benefit I may get out of small changes regarding my transmission ratio. Here is the premise: 11-42 cassette (Shimano M7000) 36-26 crankset (Shimano MT600) I ...
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1answer
59 views

Mechanical Ultegra's R8000 right-mech cable failure

On my Giant TCR Advanced SL I have mechanical ultegra R8000 groupset and every 7/8 thousands kilometers the cable constantly breaks(usually it should happens every 20 thousands kilometers). It ...
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0answers
79 views

Shimano SPD-SL Pedal Tension Adjustment not Clicking? Possible Counterfeit?

So when I read the manual, it says the 105 pedal I have (5800) will have a click when tightening or loosening the tension adjuster, supposedly 4 clicks for 360 degree rotation, however mine don't ...
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2answers
132 views

MTB 1x vs 2x cross chaining [duplicate]

I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup. I would prefer 1x more but not going to ...
0
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1answer
98 views

Difference between Shimano GRX400 and SRAM Apex

I'm currently interested in a gravel bike and am in the process of mapping out my options. One parameter that is very obvious is that some models come with Shimano's GRX400 groupset and some with SRAM'...
1
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1answer
240 views

Why do some disk brake pads use split-pins or bolts to retain metallic or resin pads?

With Shimano disc brakes, there are two options for types of brake pads: resin or metallic. My understanding is that the metallic brakes generally have more stopping power while resin are more ...
3
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2answers
208 views

Chain slipping on brand new bike, bike shop is stumped

I just bought a 2020 Kona Lava Dome (the details of this bike/components are at the end of this question) and I can't use the low (small) front sprocket. Under any load (like a hill climb) the chain ...
2
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1answer
42 views

Threaded bleed port - 105 7020 shifter

In attempting to bleed my Shimano 105 hydraulic disc brakes, I seem to have threaded the bleed port so the screw no longer tightens. Screw is fine in the other shifter, and same issue when using screw ...
3
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3answers
140 views

Is my Shimano Deore SLX dérailleur a medium or long cage?

I have a Scott E-Genius 730 Plus and would like to replace the rear dérailleur (the probable cause of difficulties described in my last question). It's a Shimano Deore SLX Dyna-sys unit, it's for a 10-...
2
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2answers
97 views

Bottom jockey wheel on rear derailleur keeps skipping chain

Basically the angle between the bottom and top wheels is too great causing the chain to skip to the outside of the bottom wheel under force. If I use the higher adjustment screw on the shimano ...
1
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3answers
79 views

Do I need a spacer between my cassette and freehub?

I am fitting a modern Shimano 10-speed Hyperglide cassette (CS-HG81-10) to an old Shimano 8 speed hub (FH-M565). Fortunately, it is long enough (approx. 35mm) to take 10-speed. The hub came with a ...
3
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1answer
237 views

New Shimano 105 hydraulic brake loses pressure

I have a brand new bike with about only 25 miles on it. On a ride today the rear brake (Shimano 105 hydraulic) became spongy, letting me max out the lever but giving on about 25% of braking power. I ...
2
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1answer
36 views

Dura-Ace R9100 Bottom Bracket With A Dura-Ace FC-7900 Crankset?

I have just purchased a Dura-Ace FC-7900 crankset and I am trying to find a good, readily available bottom bracket to pair with it. With Shimano's Hollowtech II and Octalink II technologies, will the ...
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1answer
46 views

1x GRX chain sizing with 42T cassette

I'm trying to convert a bike to a Shimano GRX 1x setup using the following components: RD-RX812, CS-M8000 (11-42T), CN-HG701-11 (and FC-RX810-1, 42T). The problem I'm stuck at is when shifted to the ...
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1answer
53 views

Shimano 105 crankset

Been reading from posts and can’t find my answer. Any help would be appreciated. Scenario: I currently have a Felt AR5 10-speed with shimano 105 rear/front derailleur, 105 levers & brakes and a ...
2
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2answers
125 views

How to get rid of hub play in XTR FH-M975?

I recently bought a 2012 Santa Cruz Superlight 29, and there is some play in the rear wheel. The hub is an FH-M975 (XTR). With the wheel off, you can tell there's some play, but I guess there is ...
2
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1answer
42 views

Rear derailluer broken bolt

I am trying to figure out the right part to replace this bolt that broke. It went through the rear frame of bike into derailleur to a shimano dyna sys II unit. I believe it is a hanger bolt but the ...
4
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0answers
54 views

What is the difference between a Shimano 10-speed 2x front chainring and a 3x front chainring?

Shimano sells two types of 10-speed chainring, one for 2x and one for 3x systems. The smallest chainring have a 64mm BCD for both systems, and it looks the same to me. So what is the difference ...
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1answer
45 views

Broken Derailleur

I have the GT Palomar 2001 edition mountain bike and the derailleur broke last year. I am now looking to fix it but I do not know which one to get as i do not want to do anything to the chain. Please ...
2
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5answers
369 views

Switching from straight handle bar to drop down - which dual control lever would fit?

I am currently looking for ways to modify my bike. I do have a straight handlebar equipped and I‘d like to switch to a drop down road bike handlebar. My drivetrain is built mostly from Shimano SLX ...
2
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3answers
73 views

Can I mix these SRAM Apex components with Shimano/Ofmega components on my bike temporarily?

I own a Fausto Coppi vintage bike. Currently I have RSX shifters with Shimano exage 300EX front and rear derailleurs. I am switching my whole setup to accomodate 10 speed. My new wheels fit well. I ...

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