AEST Disc Brakes


AEST front disc brake - 227g for lever, hose and caliper

These disc brakes are basically rebranded Hygia Usagi. They are very similar to the Hygia SLP brakes but the calipers are two piece bolted together, whereas the SLPs have monoblock calipers where the entire thing is machined out of the one piece of aluminium.

Power seems identical, but weight is slightly higher (about 10g) because of the two extra M6 bolts needed to hold the two halves of the caliper together on the AEST/Usagi brakes. My tuned SLP front brake weighs about 195g, whereas the stock AEST front brake with standard length hose weighs 227g.

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about 9g each;

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Almost as good as the XTR M952 v-brakes, but once the linkage developed wear (even on these M750 versions with the reinforced linkage plates) the pads would flop around. 190g.

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