FSA NO.55R ICR/B Headset 1.5" with H2473 MFPN=803-04-331 Replacement rear axle for Sun

Replacement rear axle for Sun Ringle's SRC hub

New main piston valving and IFP for increased performance consistency and tuneability

Size A Seat Tube (mm) B Seat Tube Angle (°) C Top Tube (mm) D Head Tube (mm) E Head Tube Angle (°) F Fork Rake (mm) G Trail (mm) H Wheelbase (mm) I Chain Stay (mm) J BB Drop (mm) K Stack (mm) L Reach (mm) M Standover (mm) N Bar Width (mm) O Stem (mm) P Crank (mm) Q Wheel Size S 420 73

Sleeved joint for improved stiffness and strength

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FSA NO.55R ICR/B Headset 1.5" with H2473 MFPN=803-04-331 Replacement rear axle for SunFSA bearings that set directly into the frame without the use of pressed in cups. 36 45 degrees is Cane Creek compatible 45 45 degrees is Campagnolo compatible