SRAM 12-speed XD Driver:

and definitely one of the most popular names in MTB parts

BR-MT200 - Altus

They offer a stiff

and is also 100% biodegradable meaning it's great for the environment

Hope Grip Doctor Bar Plugs - Black PLP|EMTB Optimised SRAM 12-speed XD Driver:You've spent a lot of time colour matching your parts, and meticulously making sure everything is in place. The last thing to set off your bike? Aluminium CNC machined bar end plugs, laser etched in the colour of your choice! Laser etched, anodized 2014 T6 aluminium cap & bolt. Available in Black, Silver, Red, Blue, Purple and Orange. Rubber wedges securely expand inside handlebar. Safely caps off the end of handlebars.