Shimano Saint RD-M820 XT RD-M786 SLX RD-M7000-10 ZEE RD-M640 Deore M615 Rear Derailleur Chain Stabilizer Unit 2nd improved version CheckoutSpec= 11.4018.012.013 Gender/Age Adult Rotational Protection Yes

Gender/Age Adult Rotational Protection Yes Minimum Head Circumference 51 Color Polar White Size Small Visor Included Yes Multi Impact No Weight 340 Helmet Certifications Complies with the U

Industry Nine’s A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminum billet into a svelte design achieving a nexus of form and function

Each cog is designed with a unique tooth profile for exceptional chain retention

2 mm diameter

Shimano Saint RD-M820 XT RD-M786 SLX RD-M7000-10 ZEE RD-M640 Deore M615 Rear Derailleur Chain Stabilizer Unit 2nd improved version CheckoutSpec= 11.4018.012.013 Gender/Age Adult Rotational Protection YesShimano Saint RD M820 XT RD M786 SLX RD M7000 10 ZEE RD M640 Deore M615 Rear Derailleur Chain Stabilizer Unit (2nd improved version). Shimano Stabilizer Units for rear derailleurs