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Brake Booosters


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Some people say that brakes can get too stiff and loose all their bite but I don't know.

It think a 2 bolt booster is more than fine for most frames.

Yup, they seem to be too stiff. Why that be, i can only guess :S

I'd recommend getting an Rb 2 bolt if you can find one, they weigh barely anything and seem to be damn effective. Barring that, maybe a try-all?

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What do you deam as too stiff? After a box load of Viagra or a shot of cocaine directly in there...? There is no medium to how stiff is stiff. You can have really stiff.

Every booster will flex some what, how well it's been drawn to prevent this is where the stiffness comes in.

XTR and Heatsink will not move, RB etc all flex.

Watch your mounts as you pump the leaver fully, they spray out from the length of the mount, top to bottom all in one go.

So 4 bolt is better as stops all movment along the length.

4 bolt is stiffer than 2 bolt due to the location of flex reduction.

The grip will not decrease with a booster, it will go up as there is no place for the presure exerted to go in terms of slipping or being weaker. It'll be harder and stiffer with a hard pad compound, soft well soft is soft.

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