26" er brake ROTOR different types....

[Zebra]

I have a 26" er Epic S-Works alu bike that I am running SLICKS on, since I'm commuting now...

 

I plan to buy a 2nd set of 26" rims for OFFROAD use, and after teaching myself what on earth a 'through' axle was, (I grew up with QR...!) I responded to a BikeHub ad, and a hubber delivered 2 QR rims around to me, both 26, both QR, b-u-t neither of the brake rotors would fit, since they were marginally too big....

 

What i need to learn is the NAME of my style of Shimano brake rotor (kind of a bolt-on system...) versus his ONES which were sort of a CASSETTE (?) style rotor, not bolted on as such...

 

This will allow me to check that the rotors are correct size/fit BEFORE I go and see and try AND BUY A SECOND SET OF wheels....

thanks!

 

I HAVE ATTACHED PIC OF HIS ROTOR ATTACHMENT - I NEED THE O-T-H-E-R TYPE!

Chris 

0722117725

[rampies]

6 bolt rotor vs centre lock rotor (the one in the pic)

Not sure I understand what you need apart from the specific names.

[JXV]

You get 6 bolt rotors and centre-lock rotors. These attach to 6 bolt and centre-lock hubs respectively. Those in the pic are centre-lock rotors/hubs.

You can also get an adapter for centre-lock hubs that allows 6 bolt rotors to be fitted to a centre lock hub.

 

You can't fit centre-lock rotors to a 6 bolt hub.

 

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[Zebra]

Thanks, JUST the name is perfect, will help me explain what I need before driving out to view rims.

thanks, you helped!

Chris

[Zebra]

You get 6 bolt rotors and centre-lock rotors. These attach to 6 bolt and centre-lock hubs respectively. Those in the pic are centre-lock rotors/hubs.

You can also get an adapter for centre-lock hubs that allows 6 bolt rotors to be fitted to a centre lock hub.

 

You can't fit centre-lock rotors to a 6 bolt hub.

 

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OK, thanks, your last comment "You can't fit centre-lock rotors to a 6 bolt hub." answers my question, guess I will hunt around for 26"er rims, QR and 6-bolt rotor, then!

Cheers, Chris

[dirtypot]

If you've already got the wheels, then why not just get the correct brake rotor to match the hub.  Surely that's easier than getting another set of wheels and sending those ones back?

[Zebra]

no, I need another set of wheels...

on the bike at present, i have a set of slicks, so need another set of wheels (including rotors) to runtubeless MTB tyres.

 

The hubber who came around with his for-sale wheels, could see they would not fit, and was quite happy with me not buying them, since THEY were centre-lock rotors...

[CdT85]

The two types of rotor you get is:

 

6 Bolt and (6 x T25 Torx bolts)

 

Center-lock. (fits to the hub like a cassette)

 

With the center lock adapters, you can get an adapter to make it a 6 bolt.

 

The mounting type of your disk to you hub does not matter. What matters is the size of the rotor. Standard sizes are (diameter):

140mm

160mm

180mm

203mm

 

 

Also, you have to check what the width (Over Locknut Distance, O.L.D)  of you hubs are.

Most QR rear hubs are 135mm O.L.D.(9mm QR, 10mm Through axel, or 12mm Through Axel)

More modern bikes run 142mm hubs with a 12 mm through axel (TA)

 

 

[JXV]

both types are available in 3 sizes for mtb , 160, 180 and 203mm.

Both types should place the disc in same plane relative to caliper....in theory.

In practice there will be variations so expect to re-align calipers each time you swap wheels.

 

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[Zebra]

The two types of rotor you get is:

 

6 Bolt and (6 x T25 Torx bolts)

s-l225.jpg

 

Center-lock. (fits to the hub like a cassette)

shimano-xt-mtb-disc-brake-center-lock-ice-tec.jpg

 

With the center lock adapters, you can get an adapter to make it a 6 bolt.

Mountain-bike-center-lock-disc-brake-adapter-center-lock-rotor-to-six-nails-disc-brake-rotor.jpg

 

The mounting type of your disk to you hub does not matter. What matters is the size of the rotor. Standard sizes are (diameter):

140mm

160mm

180mm

203mm

mtbdiscbrakes - 03.jpg

 

 

Also, you have to check what the width (Over Locknut Distance, O.L.D)  of you hubs are.

Most QR rear hubs are 135mm O.L.D.(9mm QR, 10mm Through axel, or 12mm Through Axel)

More modern bikes run 142mm hubs with a 12 mm through axel (TA)

Image.gif

thanks, that is a big help!

Chris

[Zebra]

both types are available in 3 sizes for mtb , 160, 180 and 203mm.

Both types should place the disc in same plane relative to caliper....in theory.

In practice there will be variations so expect to re-align calipers each time you swap wheels.

 

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ok, thanks for explaining that micro-adjustments will likely still be necessary!

Chris

[Amberdrake]

ok, thanks for explaining that micro-adjustments will likely still be necessary!

Chris

Still easier than changing tires each time!

[rampies]

Zebra, the "rotor type" is not frame/fork specific so that wheelset should work. It is only the rotor diameter which could cause it not to fit, but that can be addressed by putting on a new rotor or changing the spacers on your brakes. Don't do the latter if you are not sure about what to do.

 

It does however sound if you want to change rotors every time. I would just buy another set of rotors and keep them on the second wheelset.

 

2 things to take into account in changing your wheelsets:

 

Your slick wheelset and new wheelset will need to have the same rotor diameter though seeing as you want to interchange wheelset. I.e. Front wheels both the same diameter and rear wheels the same. The brakes are set up for a specific rotor size on your frame/fork.

Check the sizes on your current wheelset and let these guide you.

 

Also note that in changing wheelsets you need to make sure the cassettes are worn the same... Or best is to exchange the cassette with the wheelset every time. As you might know the whole drive train should be viewed as a collective and swapping between drive trains is not the best if you don't know what you are doing.