MST Carbon Short Battery Holder Set - RedMST (#210637R) Carbon Short Battery Holder Set Red Feature: For: MST RMX 2. 0 RMX 2. 5 RRX S 2. 0 FXX 2. 0 FMX 2. 0 Quick release aluminum knob and carbon latch design Fits both short general and thin batteries Use spacers to adjust the corresponding height Specification: Colour: Red Material: Carbon w Alum. posts What is included: MST (#210637R) Carbon Short Battery Holder Set Red (1 set)