FSA Ceramic Bearing Kit For Metron SL Center Lock Disc Brake Wheels High-Efficiency Upgrade – Ceramic CheckoutTitle=Restrap Saddle Pack A reinforced upper SIDI’s dial

A reinforced upper SIDI’s dial system and a Tension Strap work together to lock in fit under pressure

40 mm aero profile

} mechanical disc brake caliper for Postmount system OEM packing 140 mm

46 BB/Frame Interface PF30 BB Shell Width (mm) 73 Weight 118 Spindle Interface Type Shimano Hollowtech II Defined Color Black

83 Bolt Mount Diameter 6

FSA Ceramic Bearing Kit For Metron SL Center Lock Disc Brake Wheels High-Efficiency Upgrade – Ceramic CheckoutTitle=Restrap Saddle Pack A reinforced upper SIDI’s dialThe 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.