6061 Forged Alloy. Made to O.E.M. specifications. Correct hardness to reduce damage to frame upon impact. Includes mounting bolt. Fits some Trek. Compatibility:. Trek: Allant – 2015 / ALLANT – 2015-2016 / Chelsea – 2015 / Crossrip – 2013-2015 / CROSSRIP – 2015-2016 / District – 2015 / DISTRICT & CHELSEA – 2015-2016 / DS (ALL) – 2015-2016 / Dual Sport – 2013-2015 / ELAN SERIES 825+ 885 130 – 2015-2016 / Fisher Fast City – 2011 / FX (All alloy frames) – 201

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