UBB-40 Universal Bleed Block For Bike Hydraulic Brakes - Piston Spacer Tool For 4-Piston Calipers, Ceramic Safe

Working on your bike's hydraulic brakes? This UBB-40 bleed block is a must-have. It's made for 4-piston calipers and protects those delicate ceramic pistons during bleeding. You can adjust it by hand or with a 3mm Allen key if needed. It works with most hydraulic brake systems, and comes in cool colors like black, red, blue, gold, purple, orange, pink, or green. Makes brake maintenance safer, cleaner, and way easier. Keep your brakes performing perfectly – grab one for your toolbox!