JT Rear Sprocket 857.40 - Yamaha: 85-86 XT600 ; 87 XT600D,E ; 86-88 XT600D,E Tenere ; 85 XT600N,H Tenere; 88 XT600Z Tenere 561580 Suitable for 15" and 16"

Suitable for 15" and 16" wheels

dimensions: 2" (51mm) x 3

Used in combination with Cycle Electric generators to retain stock wiring on 78-81 XL Sportster models with electronic regulators

Compatible with all OEM & OEM style fuel pump components and screw-in gas caps

Used to install point covers on Twin Cam models

JT Rear Sprocket 857.40 - Yamaha: 85-86 XT600 ; 87 XT600D,E ; 86-88 XT600D,E Tenere ; 85 XT600N,H Tenere; 88 XT600Z Tenere 561580 Suitable for 15" and 16"JT Steel rear sprockets are manufactured using Japanese C49 high carbon steel. Designed to minimise weight and maximise strength. Accurately machined to achieve balance and a perfect fit and chain alignment