REAR SPROCKET, ZINC. 51T - 82-85 FXR; 73-99 style offset chop (NU) 537105 Note 2: Compatible with 537188

Note 2: Compatible with 537188 and 537189 Tripper solo seats

Fits: > 86-17 all XL

made from black steel

Outside diameter of 1-7/8" (4

requires less voltage

REAR SPROCKET, ZINC. 51T - 82-85 FXR; 73-99 style offset chop (NU) 537105 Note 2: Compatible with 53718850mm ID, 12mm offset (20mm offset incl. sprocket width). Stock style for all 82 85 FXR 5 speed models. The OEM 12mm built in offset of the FXR sprocket is a good solution to add 6mm additional clearance for 4 speed custom bikes for extra wide rear tires. The FXR type sprocket is otherwise identical to the commonly used FL, FX rear sprockets, which have just 6mm offset.