Questions tagged [compatibility]

What components are compatible with what other components

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votes
1answer
7k views

Use of Shimano long-reach calipers with “New Super SLR” brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
1
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3answers
3k views

Compatibility of bar end shifters and 10 spd Tiagra

I want to try an aero bar type set up, with bar end shifters on my 10 speed Tiagra road bike, do I need a particular bar end shifter to do this?
4
votes
6answers
7k views

Are older road bike parts compatible with newer standards? How do older and newer bikes match up performance wise?

I'm a big mountain biker and looking to get into road biking. However, I don't want to drop $1,500 on a new or relatively new road bike without being sure I'd want to stick with it. Anyway, I found ...
3
votes
2answers
15k views

Road shifter to Mountain Bike derailleur compatibility (Example: SRAM x7)

I am wondering what's involved in switching out Mountain Bike (MTB) shifters to integrated road shifters while keeping the rest of the MTB drivetrain (derailleurs, cassette, etc.) unmodified. Note ...
3
votes
1answer
12k views

Can I replace only the smallest cog on my rear cassette?

I currently have a 12-30t rear cassette which needs replacing. While I'm at it, I really want to switch to an 11 tooth to get the extra 9% in top speed. But the problem is, even the most expensive (...
3
votes
6answers
32k views

Shimano Compatibility

I'm quite new to upgrading parts, and trying to put together a Cyclocross / Touring bike and getting quite confused about compatibility. Can I use 10 speed Tiagra Sti shifters with triple Deore 10 ...
2
votes
2answers
8k views

Compatible tyre widths for 622 × 17 rims?

I have 622 × 17 rims on my hybrid and currently have 700×40c tyres on (came with the bike). I need a new rear tyre but I am not sure what I can get. From what I can find I should be fitting fairly ...
2
votes
1answer
2k views

My Shimano Tourney RD-TY22 7–21 speed bike rear derailleur mech, direct attach has broken, need a replacement, preferably newer

To cut a long story short, I have a full suspension mountain bike. Its rear derailleur mech (see title) is broken, had a trip round the spokes and age has degraded the main springs. I therefore need ...
2
votes
2answers
4k views

8 speed shifter with 7 speed cassette

I just got a bike with broken hanger and derailleur. As the owner didn't want to put money in good parts, I installed a cheap Sunrun derailleur compatible with index, and a new hanger. Just after I ...
4
votes
3answers
6k views

Can I use Shimano 105's brakes with vintage bike?

Complete newbie here, looking for better stopping power and less rusty calipers. I have a Nishiki Custom Sport with Dia Compe brakes and I was wondering if I could use the Shimano 105 5800's on them. ...
8
votes
3answers
9k views

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 ...
5
votes
1answer
2k views

Ultegra 6700 Left Side Crank with SRAM Red

I'm considering buying a TT bike that has a full SRAM Red group. I'm wondering if it's possible to use my Shimano Ultegra 6700 left-side crank in place of the SRAM Red crank. Why? I've got a Stages ...
4
votes
1answer
2k 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 ...
4
votes
1answer
3k 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 ...
4
votes
12answers
33k 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 ...
4
votes
1answer
810 views

Is it possible and safe to attach this type of seat to suspension seatpost?

I have a Merida Crossway 20 bike, and want to change its saddle. Now after buying a new one I am not sure it is even possible to mount it. I had forgotten I have a suspension seatpost, but the new ...
4
votes
3answers
9k views

Compatibility of predictive steering hub with boost 110 fork

I have a bike which had a RS1 fork and a wheel with a required predictive steering hub. I have a second bike which has a Boost 110 front fork. Since both these hubs are 110mm wide, can I use the ...
3
votes
3answers
1k views

Any MTB trigger shifters that work with Shimano RD-4600?

Are there any MTB style flatbar trigger shifters that are compatible with Shimano 4600 road components?
3
votes
3answers
724 views

Combining Deore XT 9-speed shifters with Deore XT BR-M8000 (I-Spec-II)

I wanted to convert my trekking bike to a mountain bike, and replace the Deore XT V-Brakes with disc brakes. However, the bike still has a perfectly functional Deore XT groupset (9-speed; unsure about ...
3
votes
1answer
2k views

Brake levers for Dia Compe centre pull brakes

I'm looking at replacing the brake levers on an older road bike and was wondering if the cable pull ratio for the old Dia Compe center pull brakes pictured below is compatible with new road brake ...
2
votes
2answers
3k views

Is the cable pull of Shimano GRX FD-RX400 same as the one of 10- or 11-speed road groups?

What is the required cable pull for FD-RX400? AFAIK Shimano road 11-speed front deraileurs require the same (larger) cable pull, while 10- and fewer-speed FDs expect lower one (with exception of ...
2
votes
3answers
2k views

Can I replace a GXP press fit bottom bracket with a Hollowtech?

I've recently acquired a frame for a project and have an Ultegra crank set from my crash bike I want to use on it. The frame currently has a GXP 24mm press fit BB and I've got a spare Hollowtech BB,...
2
votes
3answers
3k 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 ...
2
votes
2answers
242 views

Alternating two forks on a single bicycle — do I need two headsets?

I have a full rigid (fat) bicycle and I am playing with an idea to use a suspension fork sometimes. I want to keep the possibility to swap the old fork back when I do not need suspension but want to ...
2
votes
1answer
1k views

9sp/10sp compatibility in Shimano SLX drivetrains

This is related to my previous question about SLX chainrings. I'm half way through upgrading my drivetrain from 2x9 to 2x10. I currently have: Shifters: SL-M670-I (10sp), Chainset: FC-M665 (9sp ...
2
votes
1answer
185 views

Can I Upgrade shimono Ultegra 9 speed 12-27 cassette

I have a 2009 Trek 7.7 FX with Ultegra 12-27T cassette, 50/39/30 Front triple. I want to upgrade the rear cassette to give better hill climbing gears. Can I fit an 11-34 Rear cassette and if so what ...
2
votes
2answers
553 views

I need to replace a cassette for CS-HG500-10 but want to go XT

My bike has a CS-HG500-10 cassette which has reached its EOL after 7400 km (I didn't think that changing the chain, unless absolutely necessary, was something good). It's the 11-34 version, I-...
1
vote
1answer
12k views

How to setup triple front derailleur with a double crankset

I want to use my front derailleur which is a tiagra on a 3x10 speed setup with a compact double crankset making it a 2x10 setup. What is the proper procedure for setting up the triple chainring ...
1
vote
1answer
107 views

Italian bottom brackets and modern cranksets - a compatibility guide?

I have an Italian frame (presumably a Moser) which I chose to repurpose as a single-speed/fixie with parts from another Single-speed/fixie of mine, with the exception of the bottom bracket and ...
1
vote
1answer
7k 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/...
1
vote
1answer
445 views

Can I use 26 1 3/8 tire to replace a 27 1 1/4?

As in title, can I use 26 1 3/8 tire to replace a 27 1 1/4? Is this workable with some elbow grease? Any negative consequences of trying? It is an older road bike with the original tires (27 1 1/4)...
1
vote
2answers
133 views

Does “speed” of a replacement chainring matter?

I'm looking to replace one of my three chainrings, and I'm having a hard time finding something that matches my bcd/bolt-pattern/tooth-count. I have found a few options, but they say they are for 10- ...
1
vote
1answer
74 views

Is my fork suitable for my wheel

I bought this front wheel https://www.probikeshop.fr/roue-avant-mavic-aksium-ust-disc-a-pneus-center-lock-2-aa9/154559.html and this surly fork https://www.bike-components.de/fr/Surly/Fourche-Rigide-...
0
votes
2answers
2k views

Shimano cassette compatibility

I am upgrading my mtb, an '04 Specialized Epic. Currently, it has a Shimano 9sp cassette on Mavic xm317 wheels, and I am looking to change to a 10 or 11 speed cassette. I am aware that I need to ...
0
votes
1answer
135 views

Could I use a FD-M735 with a FC-MC3x?

I have a Shimano FD-M735 currently on my bike, and I would like to replace the aging FC-TY33 that I have, with a FC-M730 ideally, but they are too pricey. However, I have found a FC-MC36 and a FC-MC34 ...
0
votes
1answer
75 views

Doubts about Tire compatibility on my wheels? [duplicate]

I want to get a pair of 26 x 2.1 tires for my Bicycle. My wheels are compatible with these dimensions. A reputable store near me offers 26x1.95 tires. I am pretty sure that 1.95s are compatible with ...