Park Tool BFS-1 Left Hand Threaded T47 Guide - 648L

The 648L is an M47 x 1.0 left-hand threaded standard guide for use when facing bottom bracket shells with the BFS-1 Bottom Bracket Facing Set and 690-XL Oversized Facer. This guide is used on the drive side (right side) of the bike.

Features
- M47 x 1.0 left-hand threading
- Sized for T47 bottom bracket shells