FSA Ceramic Bearing Kit For Metron SL Center Lock Disc Brake Wheels High-Efficiency Upgrade – Ceramic CheckoutTitle=absoluteBLACK Round Narrow-Wide Direct Mount Chainring - 34t Color Black Defined Color Black

Color Black Defined Color Black Brake Lever Use Right

LG 21700 cells Controller/Display Aventon BC280/36V

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

}SRAM CenterLine Disc Brake Rotor - 180mm Center Lock Silver

FSA Ceramic Bearing Kit For Metron SL Center Lock Disc Brake Wheels High-Efficiency Upgrade – Ceramic CheckoutTitle=absoluteBLACK Round Narrow-Wide Direct Mount Chainring - 34t Color Black Defined Color BlackFull Speed Ahead Ceramic Bearing Kit For Metron SL CL. The Ceramic Bearing Kit 7903 is engineered for Metron SL 55 and 40 Centerlock Disc Brake hubs offering enhanced rolling efficiency and durability. It includes high performance CW ceramic bearings for both front and rear hubs ensuring smooth operation under demanding conditions.