SPECTRO Heavy Duty Gear Guard GL-5 S3-Size-29 25% greater anti-shock performance and

25% greater anti-shock performance and 5% higher tensile strength than the previous generation

Made from strong polyester

Knurled on the left end

After talking with number of chemical engineers

SPECTRO Heavy Duty Gear Guard GL-5 S3-Size-29 25% greater anti-shock performance andSAE 85w140 Heavy Duty Gear Guard Oil by Spectro. Premium quality lubricant formulated specifically to run in motorcycle transmissions to prevent rust, corrosion, oxidation and to combat foaming and gear pitting. Formulated specifically for Big Twin transmissions, it reduces drag, friction loss, and wear, and extends gear life. API GL 5 rated. Exceeds all known OEM and Harley Davidson warranty requirements. Dyed red Extends component life Tremendous