HomeProduct MPNRD8137000 RD8137000 ★ Expert Choice"Buy this RD8137000 designed for active lifestyles, comfort and performance." Filter Showing the single result Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Random Sort by editor review Cycling SRAM GX Eagle 12 Speed Max 52T Rear Derailleur £99.99 View Deal