Phil Wood 1/8" Track Cog presta 1/2" x 1/8" (Track

1/2" x 1/8" (Track

reduced friction drivetrain

#2 Phillips screw driver

Professional-grade quality for expert riders

Super-Lite rims generate and maintain airflow and reduces drag

Phil Wood 1/8" Track Cog presta 1/2" x 1/8" (TrackPhil Wood track cogs are manufactured from solid stainless steel bars and tripple heat treated, making them one of the strongest cogs available. We recommend Phil track cogs with Phil Wood track hubs because they're machined to work together seamlessly, but they also work on all 1. 37" x 24 tpi English threaded hubs. Only available in 1 8 width. Additional information: Fits: Standard fixed gear threads 1. 37" x 24 tpi Chain Width: 1 8" only Tooth