Box Two Brake Post Extenders

J&R Bicycles, Inc. Verified independent store

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The Box Two Brake Post Extenders allow you an extra 16mm of brake arm positioning for when you move wheel sizes, but not a frame size. A much cheaper alternative to buying an entir ely new frame! Cantilever brake boss compatible 16 mm of brake arm positioning 6061-T6 aluminum Thread M10 x 1.25 SPECIFICATION MATERIAL: 6061-T6 Aluminum THREAD: M10 x 1.25 WEIGHT: 32 grams / 1.1 ounces Show more