{"product_id":"sumart-ubb-40-universal-brake-bleed-block-piston-spreader-for-4-piston-calipers","title":"Sumart UBB-40 Universal Brake Bleed Block \u0026 Piston Spreader for 4-Piston Calipers","description":"\u003ch2\u003e\u003cstrong\u003eSumart UBB-40 Universal Bleed Block \u0026amp; Piston Spreader\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProtect pistons, set the correct pad gap, and make 4-piston brake bleeding cleaner and more consistent.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSumart UBB-40 Universal Bleed Block\u003c\/strong\u003e is designed to simplify hydraulic brake maintenance on \u003cstrong\u003e4-piston calipers\u003c\/strong\u003e. Built to help hold pistons in the correct position during bleeding and service, the UBB-40 protects delicate pistons, supports proper pad spacing, and helps mechanics achieve a more consistent brake setup with less guesswork.\u003c\/p\u003e\n\n\u003cp\u003eWhether you are servicing brakes in a professional workshop or maintaining your own bike at home, the UBB-40 is a practical tool for safer, cleaner, and more repeatable brake bleeds. Its adjustable design lets you fine-tune the fit by hand or with a \u003cstrong\u003e3 mm hex key\u003c\/strong\u003e, making it easier to work across a wide range of compatible 4-piston brake systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 4-Piston Compatibility:\u003c\/strong\u003e Designed to work with most major 4-piston hydraulic disc brake systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Adjustment Options:\u003c\/strong\u003e Can be adjusted by hand or with a \u003cstrong\u003e3 mm hex key\u003c\/strong\u003e for more precise positioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston Protection:\u003c\/strong\u003e Helps prevent damage to delicate brake pistons during bleeding and maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrect Pad Gap Setup:\u003c\/strong\u003e Supports proper spacing for smoother brake operation and more consistent lever feel after service.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorkshop-Ready Construction:\u003c\/strong\u003e Built for repeated brake maintenance and regular workshop use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Color Options:\u003c\/strong\u003e Available in a wide range of finishes to match your tools or bike build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Use a Bleed Block?\u003c\/h3\u003e\n\u003cp\u003eA proper \u003cstrong\u003ebleed block\u003c\/strong\u003e helps keep brake pistons correctly positioned during maintenance, which can improve bleed consistency and reduce the risk of accidental piston damage. For 4-piston brakes especially, using the correct block can make brake bleeding faster, more repeatable, and less frustrating.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e UBB-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Universal bleed block \/ piston spreader\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Most 4-piston hydraulic disc brake calipers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e Hand-adjustable or 3 mm hex key\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 55 g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Taiwan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e Black, Red, Blue, Gold, Purple, Orange, Pink, Green\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSumart UBB-40\u003c\/strong\u003e is ideal for bike shops, home mechanics, and riders servicing \u003cstrong\u003e4-piston hydraulic disc brakes\u003c\/strong\u003e. It is especially useful for brake bleeding, piston resetting, and routine hydraulic brake maintenance where piston protection and consistent pad spacing matter.\u003c\/p\u003e\n\n\u003cp\u003eIf you want a cleaner, more controlled way to service 4-piston brakes, the \u003cstrong\u003eSumart UBB-40 Universal Bleed Block\u003c\/strong\u003e is a smart addition to your brake maintenance toolkit.\u003c\/p\u003e","brand":"Atlus Bike","offers":[{"title":"Black","offer_id":53363895828793,"sku":"UBB-40\/BK","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53363895861561,"sku":"UBB-40\/BL","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53363895894329,"sku":"UBB-40\/RD","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":53363895927097,"sku":"UBB-40\/OG","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":53363895959865,"sku":"UBB-40\/PL","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":53363895992633,"sku":"UBB-40\/GD","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":53363896025401,"sku":"UBB-40\/GN","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":53363896058169,"sku":"UBB-40\/PK","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/UBB-40ThumbnailallcolorsAmazon.png?v=1780746623","url":"https:\/\/makeitstudios.com\/products\/sumart-ubb-40-universal-brake-bleed-block-piston-spreader-for-4-piston-calipers","provider":"MakeIt Studio","version":"1.0","type":"link"}