{"product_id":"sumart-ubb-20-universal-bleed-block-piston-spreader","title":"Sumart UBB-20 Universal Bleed Block \u0026 Piston Spreader","description":"\u003ch2\u003e\u003cstrong\u003eSumart UBB-20 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 2-piston brake bleeding cleaner and more consistent.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSumart UBB-20 Universal Bleed Block\u003c\/strong\u003e is designed to simplify hydraulic brake maintenance on \u003cstrong\u003e2-piston calipers\u003c\/strong\u003e. Built to help hold pistons in the correct position during bleeding and service, the UBB-20 protects delicate ceramic pistons, supports proper pad spacing, and helps mechanics achieve a more consistent brake setup with less guesswork.\u003c\/p\u003e\n\n\u003cp\u003eThis tool can also be used on \u003cstrong\u003e4-piston calipers as a piston spreader\u003c\/strong\u003e, though it is primarily intended as a bleed block for 2-piston systems. Whether you are servicing brakes in a professional workshop or maintaining your own bike at home, the UBB-20 is a practical tool for safer, cleaner, and more repeatable brake bleeds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCeramic Piston Protection:\u003c\/strong\u003e Helps protect delicate brake pistons during bleeding and maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for 2-Piston Calipers:\u003c\/strong\u003e Built specifically for 2-piston hydraulic brake systems found on many bicycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlso Useful as a Piston Spreader:\u003c\/strong\u003e Can be used on 4-piston calipers for piston spreading, even though it is not intended as a 4-piston bleed block.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable by Hand or 3 mm Hex Key:\u003c\/strong\u003e Easy to fine-tune for a more precise fit during service.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Hydraulic Brake Use:\u003c\/strong\u003e A practical tool for brake bleeding, piston resetting, and general brake maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Color Options:\u003c\/strong\u003e Available in several 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 bleed block helps keep brake pistons correctly positioned during maintenance, which can improve bleed consistency and reduce the risk of accidental piston damage. On 2-piston brake systems 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 Number:\u003c\/strong\u003e UBB-20\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\u003ePrimary Use:\u003c\/strong\u003e 2-piston hydraulic brake calipers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Use:\u003c\/strong\u003e 4-piston calipers for piston spreading only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e Hand-adjustable or 3 mm Allen key\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Black, Red, Blue, Gold, Purple, Orange, Pink\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSumart UBB-20\u003c\/strong\u003e is ideal for bike shops, home mechanics, and riders servicing \u003cstrong\u003e2-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 2-piston brakes, the \u003cstrong\u003eSumart UBB-20 Universal Bleed Block\u003c\/strong\u003e is a smart addition to your maintenance toolkit.\u003c\/p\u003e","brand":"Atlus Bike","offers":[{"title":"Black","offer_id":53965870006556,"sku":"UBB-20\/BK","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53965870039324,"sku":"UBB-20\/RD","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53965870072092,"sku":"UBB-20\/BL","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":53965870104860,"sku":"UBB-20\/OG","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":53965870137628,"sku":"UBB-20\/PL","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":53965870170396,"sku":"UBB-20\/GD","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":53965870203164,"sku":"UBB-20\/GN","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":53965870235932,"sku":"UBB-20\/PK","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/5051\/0364\/files\/UBB-20ThumbnailallcolorsAmazon.png?v=1772798699","url":"https:\/\/pearlcitycycle.com\/products\/sumart-ubb-20-universal-bleed-block-piston-spreader","provider":"Pearl City Cycle","version":"1.0","type":"link"}