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Sumart UBB-40 Universal Bleed Block / Piston Spreader
The Sumart UBB-40 is a compact and durable bleed block designed to make hydraulic brake maintenance faster and easier. When using on 4-piston calipers, this tool locks your pistons in place during brake bleeds to prevent uneven alignment or damage. It's a must-have for any rider or mechanic who wants to keep their brakes running perfectly.
Features:
- Compatible with most hydraulic disc brake systems – Shimano, SRAM, Magura, TRP, Hayes, and more
- Works with 4-piston calipers
- Prevents piston misalignment during bleeding
- Stiff, high-strength aluminum construction
- Compact size fits easily in your tool kit or saddle bag
Whether you're resetting pistons after a pad swap or performing a full bleed, the Sumart UBB-40 is your go-to tool for a clean, controlled job.
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