PM600 has several key attributes:

3 Chain Tool

but is optimized for fat biking

The knob spacing increases near the shoulder lugs to produce two channels that hook up on hardpack berms to loose dirt on the trails

but don't want to have to change to an XD or Microspline driver

WTB Pure Saddle - Cromoly - Medium PDP|Option PM600 has several key attributes:All Mountain and distance riders love the Pure saddle. It's a great all rounder with thick padding for comfort, a drop nose to prevent hang ups, and a rising whale tail rear to give you something to push against on the climbs. Who's this item for: Trail, Enduro, Bikepackers, and Gravel riders looking for a saddle that provides all day comfort. Cover: Microfibre (synthetic leather look) Cover Padding: Cromoly Rails: HLX Gel Padding Super comfy and uses