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Gilbert ran an FSA OS 99 CSI stem with the Di2 junction box mounted underneath. Sunny Gilbert's 2019/20 Van Dessel Full Tilt Boogie. © Z. Schuster / Cyclocross Magazine

Gilbert ran an FSA OS 99 CSI stem with the Di2 junction box mounted underneath. Sunny Gilbert’s 2019/20 Van Dessel Full Tilt Boogie. © Z. Schuster / Cyclocross Magazine