Questions tagged [compatibility]

What components are compatible with what other components

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What physically makes chainrings have a specific speed compatibility?

Chainrings are sold as having a specific compatibility for only certain speed setups, some overlapping across many. What physically makes this the case? From what I understand, 5/6/7/8/9 speed chains ...
Ehryk's user avatar
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12 votes
3 answers
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Can I update a decade-old mountain bike to modern standards?

About ten years ago, I built myself a new bike, for general utility riding and some light trips through the countryside (tens of miles on towpaths etc). I was most familiar with the classic (hardtail) ...
Tom Anderson's user avatar
11 votes
2 answers
2k views

What are these mounts for on inside edge of carbon fiber fork?

I just got a new Tommaso Sterrata. I commute during the winter so I'm looking to put fenders on. I know I can get fenders that clip onto the fork instead of being mounted, but while inspecting the ...
Brad Turek's user avatar
11 votes
3 answers
21k views

Can a 10-speed mountain bike chain be used on a 10-speed road bike?

I would like to use a Shimano Deore XT Chain CN-HG94 on my road bike. Are there any differences between roadbike chains versus mountain bike chains that prohibit this? Sample Road Bike Chains: Dura ...
Bengt's user avatar
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10 votes
2 answers
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Upgrade drivetrain to allow faster top speed

I have a bicycle with a Shimano Altus 2x9 drivetrain. It has 36 and 22 tooth chainrings and a 11-34 tooth cassette. I am hoping to upgrade this to extend its high range (i.e. 36/11) without ...
Zuzuka's user avatar
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10 votes
1 answer
710 views

What is linkglide/cues and how do they differ from existing standards?

This question is intended to be a canonical question, meant to be referenced when appropriate. In 2021, Shimano launched two LinkGlide Deore and XT Drivetrains (shifter/derailleurs/cassettes, numbers ...
Renaud's user avatar
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9 votes
3 answers
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Can a Shimano XT (mountain) hydraulic disc brake caliper be used with an Ultegra STI road brake lever?

Specifically, is the XT BR-M8020 mountain caliper compatible with an Ultegra hydraulic road brifter like like the ST-R8020 or ST-R8070? I have confirmed that they both use BH90 brake hose ("high ...
John McD's user avatar
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8 votes
3 answers
56k views

Compatibility Look-Keo/Look/SPD-Sl Plates & Pedals

i got some old Look Road Pedals (see picture). Now i found plenty of Cleats for cheap, but they all are for either Look Keo, Delta or SPD-Sl. Are those compatible? Did anything change from the old ...
Andresch Serj's user avatar
8 votes
2 answers
2k views

Increasing a 32T chainring to a 36T - will it fit?

I'm considering changing up the chainring on this 2020 Specialized Turbo Levo Comp in order to slow down wear on the cassette as the rider tends to keep it in a few of the mid-high gears. What ...
Swifty's user avatar
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8 votes
3 answers
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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 ...
KevinC's user avatar
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8 votes
3 answers
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Choosing a rear derailleur for 11-42t cassette on a SRAM 10-speed 1x system

I have an 11-42t 10 speed cassette and a 42t narrow wide chainring. I cannot work it out definitely whether a Sram long cage rear derailleur will work with it. I think that this one should work but ...
Paddy Livingstone's user avatar
8 votes
1 answer
465 views

Experiential difference between road and gravel bikes?

Specifically, looking at the Orbea Avant road bike vs. the Terra gravel bike, the frames look the same except for the fork. Can you just swap the fork and make one into the other? How close would an ...
Ferdia McKeogh's user avatar
8 votes
1 answer
229 views

Do bicycle stems have certified usage ratings (road/XC/Enduro/DH)?

Clamping dimensions aside, are all stems rated for all the cycling disciplines, especially in the MTB domain? In other words, are stem manufacturers liable to guarantee their products to be safe to ...
Grigory Rechistov's user avatar
8 votes
1 answer
440 views

Straight 1⅛" steering tube is not actually straight?

I have a bike (~2016 year of manufacturing) with a fork which has what is called a straight 1⅛" steering tube, used with threadless headsets. I have always thought that, compared to tapered 1⅛ – ...
Grigory Rechistov's user avatar
8 votes
1 answer
403 views

Can any front shifter be used for 3 x 9?

I want to buy a new front shifter for my 3x9 speed MTB. The XTR M970 shifter is rare and expensive. Can I just use the front shifter from a 2/3 x 10 system? e.g. Shimano XTR M980 ? Are Shimano front ...
D D's user avatar
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8 votes
1 answer
3k views

Campagnolo 12s with Shimano Cassette

I'm considering building up a bike with a Campagnolo 12 speed mechanical groupset with a Shimano cassette. I've been using Campagnolo 11 speed with a KMC chain and non-campy cassettes without any ...
Hannes Hertach's user avatar
7 votes
1 answer
268 views

How to repeat the success of Salsa Marakesh when mixing MTB and road components?

Salsa Marakesh https://salsacycles.com/bikes/marrakesh/2020_marrakesh_sora is based in part on road Sora components and MTB Alivio components. Let's focus on the front -- in my bike I have Sora ...
greenoldman's user avatar
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7 votes
1 answer
4k views

Can my fork support disc brakes?

I want to put disc brakes on my bike but I do not know which type to put on
Ferretboi's user avatar
7 votes
4 answers
19k views

Which road shifters will work with Shimano Deore (M)610 Groupset?

I'd like to get the Shimano Deore 610 Groupset 3x10 but want to run drop handlebars with brifters (brakes & shifters combined) but it seems like this is almost impossible... I've been told by one ...
David's user avatar
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7 votes
2 answers
24k views

Are disc brake rotors interchangeable between brands?

I have Tektro HD-R310 brakes, with center lock rims, using the new and only center lock rotors from Tektro TR160-35 Well after 2 months of driving in winter, i already notice some rust on the rotors (...
smurfy's user avatar
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7 votes
2 answers
3k views

Will any Shimano V brake fit any v brake lever and any v brake bike?

I need to replace the V brake on this bike: It uses Shimano EZ FIRE 40 brake levers, and has Shimano V brakes installed (Tektro TK837). Can I replace these V brakes with any other V brakes available ...
texasflood's user avatar
7 votes
1 answer
24k views

Mixing components: 105 and Deore XT

When I bought my bike back in 1999, it was mounted on Shimano 105 except for rear derailleur and cassette which are Deore XT (all 9-speed, Hyperglide). The vendor then told me "..and you've got a ...
gawi's user avatar
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7 votes
1 answer
718 views

How did Shimano solve Boost offset in double cranksets?

From what I've read SRAM solved Boost offset by making Boost and non-Boost chainrings. So the cranks are the same, you need to buy specific chainring. What about Shimano? Is offset within cranks or ...
greenoldman's user avatar
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7 votes
2 answers
2k 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 ...
Lamar Latrell's user avatar
6 votes
3 answers
2k views

Does a 3x to 1x conversion make sense for this bike?

My daughter was given a 26" hardtail with a slightly weird setup to use as a utility/commuting bike by a guy whose hobby was to build up bikes from old but unused parts... the crankset & ...
Saes's user avatar
  • 163
6 votes
4 answers
3k views

Completely new to indoor cycling, is there a MUCH cheaper alternative to power meter that would be compatible with the RGT app?

I'm planning to get a cheap, not-smart mag trainer, to cycle inside. I'm currently a stay-at home mom and I would like the cheapest, yet enjoyable app-wise, set up for indoor training with virtual ...
Kar's user avatar
  • 177
6 votes
2 answers
8k views

105 R7000 front derailleur with 105 5800 crankset

I was thinking of upgrading my Tiagra derailleur with new 105 FD-R7000, but then I read that it might not be compatible with my 105 5800 crankset because the new R7000 crankset has different spacing ...
Umut Birey's user avatar
6 votes
3 answers
143k views

Can I put a road bike tyre on a mountain bike? [duplicate]

I am finding it difficult to ride a Mountain bike, I feel that it may be more comfortable to change the tyre to that of a road bike, which are thinner in size. Please advise if I can do so.
Mike's user avatar
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6 votes
1 answer
2k views

How to interpret Shimano compatibility chart?

How does one interpret the delineation of horizontally-aligned boxes on the Shimano compatibility charts? Below is a screenshot (with added blue numbering) for discussion purposes. For example, why ...
ETL's user avatar
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6 votes
3 answers
2k views

Crank-based Power Meter for Shimano Sora

I am a junior amateur cyclist and I have a road bike with a Shimano Sora groupset (shifters, crank, front and rear derailleur, cassette). I am looking to step up my cycling to the next level and have ...
Codingwiz's user avatar
  • 163
6 votes
2 answers
695 views

Is an Ultegra front derailleur compatible with Sora shifters?

I have a old trek road bike with 2X9 setup. I need to change the front derailleur. Can I use a Ultegra fd-r8000? My shifters is Shimano Sora.
Claus's user avatar
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6 votes
2 answers
2k views

Can I change my large chainring without changing the entire crank

I am running a 2x10 Deore M4100 set up on my current bike. My crankset is 36/26 T and my cassette is 11-42T. I want to make this bike faster, and I want to know if I can just replace the upper ...
Michelle's user avatar
6 votes
3 answers
547 views

30mm bottom bracket and 30mm spindle axle compatibility, should it go in by force?

I am not sure if this is a stupid question or not. Finding compatible parts is not so easy for MTB, after quite a search I found my bottom bracket shell is not so standard, PF107. I bought a Rotor ...
Ricardo Garcia's user avatar
6 votes
3 answers
348 views

Vertical Dropout Derailleur Hanger for a bike that did not come with gears?

I have a bike that did not come with gears. It is a rear hub driven ebike with a single speed. Eventually when the warranty runs out, I want to put gears in it and turn it to a mid drive. Now I know ...
badcircle's user avatar
6 votes
2 answers
793 views

I'd like to fit a suspension seatpost but have only 9 cm between saddle and frame - is this enough?

I'm 5'3" tall and ride an XS size gravel bike. I have only 9 cm of seatpost between the saddle and the frame, and you can see there's no possibility of extending that! I find the aluminium frame ...
Fiona's user avatar
  • 61
6 votes
2 answers
326 views

Steel vintage bike restoration and modification, troubleshooting help

I acquired a vintage 10 speed Healing Commuter made in New Zealand, rode it everyday and treated it pretty poorly. No regular maintenance, chained it on the street come rain or shine. Having grown ...
Mech_smith's user avatar
6 votes
2 answers
19k views

Hydraulic Brake Hose Size Standards

I am looking to buy some (approx 30 meter) hydraulic brake hose for general use (fixing brakes) and would like to know what size (inner diameter/outer diameter) would be most suitable for the bigger ...
Maarten -Monica for president's user avatar
5 votes
12 answers
44k views

Fitting a 9-speed 11-50T cassette on MTB: which derailleur?

I'm trying to understand if its possible to fit a 9-speed 11-50T cassette (found one on Ali) on my MTB. The plan is to go 1×9. The problem is that I can't seem to understand the if a specific ...
user3510526's user avatar
5 votes
3 answers
1k views

What is a safe weight for front rack + luggage for a steel race bike fork?

I frequently commute with a backpack on my '90s steel race bike, and encounter the usual issues of sweaty back and tired shoulders. The riding position is also not perfect for carrying a backpack on ...
goose_lake's user avatar
5 votes
3 answers
3k views

Shimano Dura Ace 12 speed to 11 speed Di2 shifter compatibility

Let's say I have a 9170 Di2 11 speed group and want to update to 9200 12 speed keeping what I can. That means a new RD, battery and wires are a must. Shimano claims the old 11 speed Di2 time trial ...
Klaster_1 Нет войне's user avatar
5 votes
2 answers
5k views

Are 52/34 chainrings compatible with an 11/32 11speed cassette

Im thinking of buying a Scott Addict 20 supplied with Ultegra 52/36 rings and 11 speed 11/30 cassette. Could I change this to 52/34 rings and 11/32 cassette?If not would 52/34 and 11/30 be a ...
Old Codger's user avatar
5 votes
2 answers
573 views

Ultegra R8000 rim brake compatible with Zipp 303 Firecrest?

Update I have successfully mounted a Zipp Firecrest 303 wheel set onto my Cannondale R800 CAAD 4 frame with Shimano BR-R8000 rim brakes. Thanks for the advice! I would like to buy a carbon wheel set ...
sebastian's user avatar
  • 175
5 votes
2 answers
422 views

XTR 9100 left power meter on XT 8100 crankset

Can I put a stages XTR 9100 left side power meter on a XT 8100 crankset? Seems like it should work, but haven’t found a clear yes answer.
Hannes Hertach's user avatar
5 votes
3 answers
573 views

Updating Shimano R8000 chainset from 50/34 to 50/39

I've seen this question about making the same change (50/34 to 50/39) on a Shimano Sora chainset, but I am asking specifically about Ultegra R8000. I have a bike with Ultegra R8070 (Di2, hydraulic ...
user7761803's user avatar
5 votes
1 answer
3k 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 ...
Konstantin Shemyak's user avatar
5 votes
2 answers
961 views

Shimano Cassette Size Change

I recently purchased a wahoo kickr core and I picked up a Shimano Tiagra CS-HG500 11-32t cassette to put on it. Currently I am running an CS-HG500 11-34t cassette and GRX400 setup. Shimano's website ...
Jason R Miller's user avatar
5 votes
1 answer
312 views

Altus 9-speed shifters&derailleur paired with a 10-speed road bike cassette

My family has a road bike, set with Altus 9-speed shifters and a rear derailleur, paired with a Shimano HG200-9 cassette. Recently, I replaced the cassette with a 10-speed road bike cassette, As a ...
LLRL's user avatar
  • 53
5 votes
2 answers
1k views

Differences between FC-RX600-11 and FC-RX600-10?

Is there any documented difference between 10- and 11-speed GRX cranksets FC-RX600-10 and FC-RX600-11? Net search gives "closer chainring spacing", but I'm looking for a proof. Also ...
Konstantin Shemyak's user avatar
5 votes
1 answer
297 views

Why do the ISO/ETRTO numbers not match the English measure on my Tires?

Given: A flat tire Tire size 47-507, 24 x 1.75 I want to replace both the tire and the tube. But in the shop it's only available 44-507, 24 x 1.75. The tire size of 24 x 1.75 is common to both my ...
Evmorov's user avatar
  • 153
5 votes
2 answers
1k views

Can I run 11-32t on my Bike and 11-28t on my smart trainer using the same bike?

I run an 11-32t on my rear wheel and completely forgot to check the specs of the 11-speed cassette I ordered for my smart trainer. Turns out the one I got for the trainer was 11-28t. Can I run the ...
Charlie's user avatar
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