In this video I show you how to remove and refit shimano caliper pistons with out separating the caliper body.

caliper shown is M820 saint!

What you’ll need
1. Cheap syringe ( filled with water )
2. Tube for syringe to bleed nipple
3. Cut bleed block
3 something thin & flat to refit Piston

Note: don’t forget to fully flush caliper with brake fluid to clear water. Failure to do so could cause some serious problems

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