Jagwire 4mm Open Nylon End Caps Bottle of 100 Black MPFN-BY2004 }SRAM Crank Arm Boot -

}SRAM Crank Arm Boot - XX Bosch Pair

Allows installation of English threaded cups in many BMX and older American made full-size bicycles

Compatible only with FD-4700 and FD-RX400 front derailleurs and RD-RX400 and RD-4700 rear derailleurs

XX Eagle T-Type Flattop Chain is specifically engineered to optimize Eagle Transmission and features a unique flat top that maximizes shifting performance and robustness

Jagwire 4mm Open Nylon End Caps Bottle of 100 Black MPFN-BY2004 }SRAM Crank Arm Boot -Jagwire 4mm Open Nylon End Caps Bottle of 100 Black. Open end caps have no o ring or nylon ring. TECH SPECS Color Black keyword search 4715910018774 Material Nylon