Technical & Reference Section > Tech and Restoration

Reaction Megabrake

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john4130:
this is my 10mm reaction boa, it's not complete as i lost a bearing and the spring, it uses four sealed bearings so when tightened, it gives almost zero flex but still very smooth. best caliper brake ever.


it does indeed have a 3/8 26 tpi axle as i just tried a wheelnut on it and it fitted.
this is my 8mm one, it still uses 10mm sealed bearings but the axle reduces from 10mm down to 8mm.

chubby:
To the cave with a vernier  :teef:

Christhejob:
Hello. I know I wasn't dreaming...
http://www.radbmx.co.uk/forum/index.php/topic,183568.0.html

chubby:
Any numbers on the bearings John ??? Boas measure at 18mm & Little bearings are 17 or 20mm

john4130:
there are no numbers on the bearings but i ordered a vernier caliper the other day, so when it turns up i'll get the sizes of them.  :daumenhoch:

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