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Chisel Threadless

Chisel Threadless

TH-877S

Designed for heavy duty BMX/freeride mountain biking use, this OS headset is designed to more than take the abuse.

Features

  • 1-1/8in, for heavy duty
  • 1-1/8in steerer
  • 12mm “Deep Cupin design
  • Nylon top cover & steel seal
  • Forged and CNC machined steel cups
  • Upper: diameter 5/32in x 20 retainer bearings
  • Lower: oversized diameter 3/16in x 20B retainer bearings

Specs

  • Stack Height 12.8+11.9=24.7mm
  • Weight: 156g