11/20/2025: Dear Friends, I am currently in chemotherapy and unable to promptly answer emails or ship orders. I will do my best to take care of your needs, but hope you can be patient. Thank you all for your support.

Promax & Lee Chi brakes

Promax brakes on this page: Front dual-pivot 47-57mm reach caliper | Rear RC452 dual-pivot 39-49mm caliper | Rear RC469 dual-pivot 47-57mm calper

Lee Chi Brakes on this page: Bulldog 65-85mm reach front/rear caliper

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Taiwan-based Lee Chi Enterprises produces Promax bicycle components.

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Promax front dual-pivot 47-57mm reach brake caliper. New, $25.00/each

Part# 81138

• This caliper has a recessed, allen key center bolt.
• We have three in stock.

Front view

From the side

The back of the caliper.

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Promax RC452 rear dual-pivot 39-49mm brake caliper. New, $20.00/each

Part# 81146

Front view

From the side

The back of the caliper

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Promax RC469 rear dual-pivot 47-57mm brake calper. New, $25.00/each

Part# 81139

• This caliper has a recessed, allen key center bolt.
• We have three in stock.

Front view

Side view

The back of the rear caliper

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Lee Chi "Bulldog" Alloy brake caliper, 65-85mm, reach, Front Allen, Rear Standard Nutted. Used, $20.00/each

Front view

From the side

Here's the other side

From above

And the back of the caliper