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What components are compatible with what other components

3
votes
1answer
62 views

Will Shimano Di2 synchro shift work with an XT (Mountain) rear derailleur with an Ultegra (Road) front derailleur on the same bike?

Basically, can I mix a mountain Di2 rear derailleur (specifically, the RD-M8050-GS) and with a road Di2 front derailleur (specifically, the FD-R8050)? Will firmware updates and syncro shift still both ...
1
vote
3answers
320 views

Shimano 105 upgrade

I inherited an interesting Curloo Tri bike, I believe built in the late 90’s. It has a Shimano 105 group set but the cassette is only a close ratio 9 speed. Can I upgrade to a 10 or 11 speed cassette ...
7
votes
1answer
78 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 ...
1
vote
2answers
34 views

Ultegra 2X cranks with M8000 group and 11-42t cassette?

Will an Ultegra 50/34 front crankset work with a Shimano XT M8000 Shadow+ 11 Speed Rear derailleur and 11-42t cassette?
1
vote
1answer
54 views

Chainring and chain compatibility for Suntour chainring

just ordered a new chainring for my nexus-8 equipped longtail bike, it's a suntour 48 tooth chainring shown here: https://www.srsuntour.com/products/32-tooth-chainring?variant=27528743299 it's a ...
1
vote
1answer
40 views

Tiagra rear derailleur and Deore crankset + derailleur compatibility

I want to buy this bike: http://en.author.eu/adventure/gravel-bike/author-ronin-2018-ua42901301-1154 For most time, I will be fine with the lowest gear being 34x34. However, occasionally I would ...
1
vote
2answers
65 views

Change wheels diameter from 28“ to 26”

I have a regular single speed pedal brake bike with 28 inch wheels. I would like to switch it over to 26 inch wheels. Would this cause any problems, or can I just easily change them over?
3
votes
1answer
96 views

Can I use V brake levers for U brakes (side pull calipers)?

I accidently bought a V brake set instead of U brake set (side pull calipers) for an old bike I'm fixing. I really like the levers and would like to keep them. These are the levers I've bought: XLC ...
0
votes
2answers
137 views

Shimano thumb shift compatibility

I need to replace a stiff twist-grip shifter with a thumb shifter to make gear down-changes easier for my wife. There is a choice of two available locally: Shimano SL-TX50R Tourney and Shimano Altus ...
1
vote
1answer
98 views

Is an SLX M7000 crankset compatible with the rest of my drivetrain?

I ride a Comencal Meta HT AM Origin. Unfortunately I need to buy a new crankset. I’ve been thinking about Shimano SLX FC-M7000 34-24T with a new bottom bracket, BB-MT800. Do you know if that ...
2
votes
1answer
67 views

How do I figure out what crankset replacement will fit my derailleur?

I have a bike with a Shimano FC-M560 crankset in the front which I want to replace. I naively bought a Shimano FC-TY301 crankset, thinking that there's norms and that 3-speed cranksets are more or ...
0
votes
1answer
57 views

Can I use a thru axle with a longer pitch when the manufacturer specifies a smaller one?

I bought a frame which didn't had the axle (lynskey cooper cx). The one which lynskey sells is 142x12x1pitch. I'm from europe and I can't find any axle with the same specs, furthermore a lot of ...
0
votes
1answer
170 views

What trigger shifters would be compatible with my Nexus-8 internal gear hub?

I've looked at similar questions to this and the only shifter that is brought up is the Shimano Alfine SL-S503 8-speed shifter. Are there any other compatible shifters (preferably trigger-shifters)?
2
votes
2answers
84 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 ...
4
votes
1answer
340 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 ...
1
vote
1answer
52 views

8 speed chainring with single speed 1/8" chain

Can I use a chainring designed for 6/7/8 speed with a single speed, 1/8" chain? The rear wheel only has a single cog - no derailleurs.
2
votes
2answers
176 views

Will 2 x 10 speed front derailleur work with 11 speed set up?

Would an existing 2x10 front mech work with a new 11 speed rear set up? Using all Shimano SLX with 11 speed shifter, rear mech and chain. Front chain rings are 2 x SLX 38/28.
1
vote
2answers
62 views

Surly Pugsley bottom bracket replacement

Does the bottom bracket on Surly Pugsley need to be replaced with a like for like surly part (100mm external bottom bracket) or will any 100mm external bottom bracket be compatible..? The surly part ...
1
vote
1answer
811 views

Ultegra 6800 shifter with R8000 rear derailleur?

I'd like to replace a Shimano 105 5800 11-28 cassette on one of my bikes (CAADX 2016) with a CS-HG800-11 11-34 to get a wider range of gears. My rear derailleur is Ultegra RD-6800-SS, which can't ...
1
vote
1answer
524 views

What is the difference between Shimano BB71 and BB72 bottom brackets?

I often see the Shimano BB71 and BB72 press fit bottom brackets listed on stores alongside one another, like here for example, so what's the difference? Are they both the same geometrically? Is one a ...
3
votes
2answers
74 views

Are plus forks a suitable alternative to fatbike-specific forks?

I recently got a 27.5+ Fox fork only to discover that the distance between the legs of the fork is 4.3". This made me think that one could fit a 4" tire (obviously, using a 110 mm front hub instead of ...
1
vote
2answers
52 views

Will these tires fit on my bike?

If I were to purchase the “Aluminum Road Bike Commuter Bike Shimano 21 Speed 700c”, would I be able to remove the tires that the bike originally came with, and replace them with some “Michelin Lithium ...
3
votes
1answer
117 views

Is it possible to use BMX steerer (stem+handlebars) on fork on folding bicycle?

II want to replace my folding bike's steerer with a BMX setup. I've been told by a bike shop that it is not possible because the steerer tube protrudes 10 cm higher than the frame tube.
0
votes
1answer
51 views

How to find a fitting drivetrain

I'm currently building up a new bike from a vintage Scott Windriver MTB frame. My plan is to install a Shimano Zee 10-Speed drivetrain because I don't really need more gears in my area, I want it to ...
1
vote
1answer
104 views

Can I run a Schwalbe Marathon 26" on a Mavic CrossLand UST rim?

I have a old 26" mtb that I still use for commuting and occasional weekend rides. I need to change the tyres as the current ones are very old. I would like to buy tyres with low rolling resistance and ...
0
votes
2answers
76 views

New 2012's Sora 3500 vs used 2003's 105 5501

I am preparing my bike for a 2000 km trip. I have an old and used ~2003 hybrid bike with 105 derailleurs and want to change the current horizontal handlebars to road ones, so I have to change cables ...
0
votes
2answers
441 views

Rear Bike Rack for Full Suspension?

I have a Giant Warp DS3 and id like to get a rear rack but am struggling to find anything decent & compatible. is there such a rack? 2001 Giant Warp DS3 from Bicycle Blue Book.
3
votes
2answers
48 views

Surly Trucker Disc Compatibility with Ryde Taurus Rims

Is it possible to put these Rims (Ryde Taurus 21 Disc: 26', 21-559) on this frame (Surly Trucker Disc)? I just cannot find any hint at the Surly Trucker description, but since I am not a native and ...
3
votes
1answer
685 views

Upgrading from 9 speed to 11 speed on Giant Defy 3

If I were to upgrade from a complete Shimano Sora R3000 9 speed groupset to a complete Shimano Ultegra 6800 11 speed groupset (excluding hub) on a Giant Defy 3, do I need to get a new hub too or can I ...
2
votes
2answers
248 views

Run a Shimano STX derailleur with 8 speed cassette or bigger?

I've heard that it's possible to run the same derailleur with different shifters to get a different number of gears. I would like to know what the limits are to this idea. I want to keep my Shimano ...
1
vote
2answers
86 views

Chainring sizes for 11 speed cassette

I have an 11 speed cassette 11-32 teeth. I am running a 52 teeth chainring on the front. What would be a good recommended smaller chainring for the front? It needs to be big enough to take up the ...
1
vote
1answer
692 views

Ultegra CS 6800 Cassette

I have Dura Ace set up with an Ultegra CS6800 12-28 cassette. I want to alter to 12-32 but the CS6800 isn't available anymore. Is the R8000 a suitable replacement and what else would I need to ...
1
vote
0answers
74 views

XTR M960 Crank to Stages power meter compatibility

I want to buy a Stages power meter but my MTB has an old XTR M960 crankset. I wonder if a Stages XTR M980, M985, M9000 or M9020 left arm meter can be installed replacing the left crankarm of my old ...
2
votes
1answer
781 views

Oval carbon saddle rails compatibility

I have a new saddle and I want to buy a compatible seatpost. The saddle rails is CARBON 7x9 as specified by the manifacturer. I want to understand better the compatibility of this kind of oval rails. ...
0
votes
1answer
799 views

Shimano/third-party rotor compatibility with low end hydraulic brakes

Shimano say that their lower end hydraulic brakes (e.g., BR-M365) are compatible with 'wide' rotors. See http://productinfo.shimano.com/#/com/2.0?acid=C-461&cid=C-460 for details. Wide rotors ...
4
votes
2answers
212 views

Mismatched chain and chainring

Why specifically would shifting between chainrings of one speed type with a chain of another cause problems? As I understand it, all 3/32 inch chains have that as their interior width; the variance ...
0
votes
2answers
640 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?
2
votes
2answers
747 views

Shimano SM-RT900 Dura Ace Center Lock Rotor on Ultegra

Is it possible to fit the Dura Ace Rotor (SM-RT900) if you have the Ultegra R8020 hydro disc . ?
2
votes
1answer
422 views

Spindle diameter on the FSA Gossamer TT MegaExo crankset

What is the spindle diameter on the FSA Gossamer TT MegaExo crankset? 24 mm or 30 mm? I can't find a direct answer anywhere. I have seen MegaExo described as 19 or 24 mm, but "Gossamer" as 30. I'm ...
0
votes
1answer
371 views

Are there any rear derailleurs compatible with Shimano Tourney RD TX 80

I need a new rear derailleur for my Claud Butler Urban 200. I have looked at the old one and can see it is a Shimano Tourney RD TX 80 -7. I have found these quite hard to get and I am wondering if ...
6
votes
3answers
4k views

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 ...
1
vote
1answer
381 views

Why is the Shimano R3030 FD not compatible with the 3503 FC?

I have an older version of the Triban 520 with the Shimano Sora 3503 groupset (3x9 speed). I neglected it for two weeks over winter and the salt has done some damage. The spring in the front ...
5
votes
2answers
320 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 ...
1
vote
2answers
271 views

Updating equipment on old Team Raleigh frame

I was given an older Team Raleigh frame, serial #WBK 601376 R. I use it as my commuter bike to school where I teach. I want to update the frame with new equipment. My local bike shop was able to put ...
3
votes
1answer
668 views

BB86 bottom bracket with BB386 crankset?

This is the markings on my bottom bracket. Will it fit BB386 crankset like the FSA Powerbox? http://www.wiggle.co.uk/fsa-powerbox-alloy-road-abs-chainset/?curr=SEK&dest=14&prevDestCountryId=...
4
votes
1answer
632 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 ...
0
votes
1answer
2k 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/...
2
votes
2answers
78 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 ...
1
vote
1answer
484 views

Wanting to change from bar end to road shifters

Just purchased a Co-op ADV 3.1 and the gearing is great, problem is I am hating the bar end shifters and would like to apply road bike shifters while maintaining the MTB gearing. It came with Deore ...
0
votes
0answers
22 views

Alex rim DF23 compatibility with tire 35c [duplicate]

I need your help. Can somebody tell me if I can replace my current 32c tire with 35c tire? I have an Alex rim DF23, ISO 622.