Ritchey Comp Headset Lower IS52/40 Size-12-1/2 x 2-1/4 Adjustable spring tension for fine

Adjustable spring tension for fine tuning clipless entry and release

28 miles (45 km) at speed of 20 mph (32 km/h) Approx

Chain tool (5 to 12 speed compatible not compatible with Campagnolo 11–13 speed chains)

4-bolt front loading one-piece faceplate design

S3: “Narrow” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles)

Ritchey Comp Headset Lower IS52/40 Size-12-1/2 x 2-1/4 Adjustable spring tension for fineSealed cartridge bearings that drop directly into the head tube Upper includes top cap Lower includes crown race Model Comp Lower S. H. I. S. IS52 40 Stack 1mm Upper Lower Lower Color Black