DIY MTB Headset Bearing - MH-P21 - 1-3/8 inch - 37mm x 49mm x 7mm 45/45 degree

The DIY MTB MH-P21 is a 1-3/8 inch headset bearing for compatible bicycle headsets. Its 37 x 49 x 7mm dimensions and 45°/45° contact angles suit headset assemblies designed around this bearing specification.

• Model: MH-P21
• Dimensions: 37 x 49 x 7mm
• Contact angle: 45° x 45°
• Type: Headset bearing