Sun ringle Envy RR 20in 36H Rim ModelNumber=2590 }SRAM X5 Rear Derailleur -

}SRAM X5 Rear Derailleur - 10 Speed Long Cage Black

The patented RWS wheel mounting system from DT Swiss is a stiffer safer and more user friendly option than conventional quick releases

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM Exact Actuation Cage Length Long Drivetrain Speeds 10 Weight 299 Color Black Chain Wrap Capacity (teeth) 47 Largest Cog 36

Q-factor is 149mm

FULL PIN technology uses ten lightweight stamped steel cogs and one 42t aluminum cog held together with 123 high-strength stainless steel pins

Sun ringle Envy RR 20in 36H Rim ModelNumber=2590 }SRAM X5 Rear Derailleur -Durable BMX wheel designed to take a beating. Now available in a variety of Anodized colors. Front and Rear specific design TECH SPECS Diameter 20in Brand Sun Ringle Model Envy RR ISO 406 ID Width 21. 8 Width OD 28 Profile 18 Wall Dbl Side MSW Color Black Hole Count 36 Valve SV Weight 392g ERD 390 Extras Eyeletted