Box Two 1-1/8"/1.5" Tapered Integrated BMX Headset for 45/45 - Red 17t 110mm chainrings and has a

110mm chainrings and has a 19mm bore

Height: 21mm

Width ID: 36

Saddle Dimensions: approx 160mm x 100mm

new tire made by Cheng Shin (CST) and is tread pattern C-1244

Box Two 1-1/8"/1.5" Tapered Integrated BMX Headset for 45/45 - Red 17t 110mm chainrings and has aThis Box Two Integrated headset features an aluminum top cap, CNC machined bearing cover, and split crown race with super smooth rolling, precision 45x45 bearings. The 1. 5" headset fits frames that use 41. 8mm 45 45 upper and 52mm lower cups. The crown race is 40mm. It also includes a 30. 0mm crown race which allows you to run a straight 1 1 8" fork in a tapered head tube. Color: Red