HomeProduct MPNRD8138001 RD8138001 ★ Expert Choice"Upgrade your RD8138001 equipment with products built for durability." 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 X01 Eagle 12 speed Rear Derailleur £219.99 View Deal