Crank Brothers Synthesis Freehub Body - Shimano Microspline - Alloy YGroup_7033481068589 The bag has a TPU

The bag has a TPU (Thermoplastic Polyurethane) coating that

The overlapping handle and barrel with oversized piston and shaft are integrated into a compact design

It's also a great alternative to DT Swiss Red Teflon Grease

Subtly slotted bolt holes allow for a perfect fit with both 94 and 96 BCD symmetrical crank arms

40mm = 135g

Crank Brothers Synthesis Freehub Body - Shimano Microspline - Alloy YGroup_7033481068589 The bag has a TPUThese replacement freehub bodies are for the Crank Brothers Synthesis Wheels. Steel freehub bodies are more durable especially for HG drivers. Alloy freehub bodies are lighter. Includes: Freehub Body Driver side endcap Available for XD, HG, and Microspline freehubs.