90mm One-Piece Stack Spacer (Giant Trinity Advanced Pro MY2016+) Regular fit WIDTH AT DROPS: 43CM (GRVL)

WIDTH AT DROPS: 43CM (GRVL)

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This rear flat mount adapter is my take on the standard 140/160 mm rear brake adapter used with Shimano

PT wears an XL

This is the USA version for shipping to USA AND CANADA

90mm One-Piece Stack Spacer (Giant Trinity Advanced Pro MY2016+) Regular fit WIDTH AT DROPS: 43CM (GRVL)IN STOCK AND SHIPPING With the help of some top domestic TTers, I have developed a 90mm monolithic spacer that enables a higher and more rigid setup than the stock Giant teardrop spacers. With deep machining using a number of custom fixtures, the weight is only 134g for the pair. Integrating into the base bar, the one piece spacer takes the bending load off the bolts, which is an issue when high stacking the original teardrop spacers. They are