The Lezyne Quick Release POD Caddy Saddle Bag is a great option for mountain bikers looking for a saddle mounted option

The Bike Yoke eliminates the frustration of sourcing a new shock for your Specialized Stumpjumper

and definitely one of the most popular names in MTB parts

7075-T6 Aluminium

iXS Flow EVO + Knee Pads - XL - Grey PDP|PLP|Brake Rotor Type The Lezyne Quick Release PODWith the Flow Evo+ knee guard, iXS provides super thin, light and comfortable knee protectors. Developed with mountain bike legend Hans Rey, pads are comfortable enough to pedal in all day and are are super compact to fit any backpack. The integrated Xmatter padding concept provides high impact absorption and protection. The Flow Evo+ introduces product properties like exchangeable padding and structurally improved, latest generation AeroMesh offering