Home / Parts / Derailleurs and Parts / Rear Derailleurs / Shimano Rear Derailleur RD-M8100 12sp Long Shimano Rear Derailleur RD-M8100 12sp Long$219.00 inc. GST Out of stock SKU: 4550170443641 Category: Rear Derailleurs Tag: 12 Speed Description Description RD-M8100 REAR DERAILLEUR XT SHADOW+ 12-SPEED LONG 51T MAXIMUM Related products SRAM Rear Derailleur, GX Eagle 12 sp Lunar 52T $249.95 inc. GST Add to cart Shimano Rear Derailleur RD-TY500 Hanger mount $29.95 inc. GST Add to cart SRAM Chain, 12sp GX 126L $54.95 inc. GST Add to cart Shimano Chain 12sp CN-M7100 $59.95 inc. GST Read more