Amazon.com: DT Swiss Champion 2.0 x 165mm silver spokes. Box of 100 with brass nipples. : Sports & Outdoors
Sanity check please: DT Swiss' spoke calculator doesn't have a specific listing for 24h hubs and thinks a 350 should always be 3x, but in the world of straight-pull this would be
Spokes | DT Swiss
Amazon.com : DT Swiss Champion Spokes, Box of 100 - 14G-2.0mm x 294mm : Bike Spokes And Accessories : Sports & Outdoors