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

}SRAM X5 Rear Derailleur - 10 Speed Long Cage Black

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The aclaimed DoubleTap shifting and ergonomics are integrated with a reliable high performance road hydraulic disc brake

Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 10 Drivetrain Speeds 11 Chainring BCD 110 Color Black/Silver Defined Color Black Material Aluminum

Q-factor is 149mm

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