Shimano Ultegra RD-6800 11-Speed Rear Derailleur Pulley Set: Version 2 CheckoutTitle=Maxxis Aggressor Tire - 29 x 2.3 Adjustable silicone mount is perfect

Adjustable silicone mount is perfect for seat posts seatstay helmets or racks

The pressure of the escaping air forces the particles into the opening where they build up and intertwine to form a long-lasting flexible plug

SRAM FlatTop Speed 12 Teeth 50/37 BCD Direct Mount SRAM 8 Bolt

Defined Color Black PSI 40 TPI 60 Weight 514 Tire Type Clincher Tire Intended Use BMX Color Black Tire Diameter 20" Tire Bead Wire Labeled Size 20 x 2 ISO Width (mm) 50 ISO Diameter 406 / 20" BMX

Shimano Ultegra RD-6800 11-Speed Rear Derailleur Pulley Set: Version 2 CheckoutTitle=Maxxis Aggressor Tire - 29 x 2.3 Adjustable silicone mount is perfectShimano Ultegra RD 6800 11 Speed Rear Derailleur Pulley Set: Version 2. Shimano Rear Derailleur Pulley Assemblies TECH SPECS Fits Brand Shimano Drivetrain Speeds 11