Ion Scrub Amp Long Sleeve Protective Tee - S - Black Heavy/Bulky high speeds

high speeds

making it suitable for use on any SRAM 11-speed drivetrain

Box is doing things a bit differently with their wide-range 9-speed setups

See the link to these below

High-performance seals

Ion Scrub Amp Long Sleeve Protective Tee - S - Black Heavy/Bulky high speedsWe all know the struggle between wishing to be fully protected and not looking like The Hulk. The ION Scrub Amp Long Sleeve Protective Tee combines protection for the upper body into a slim, form fitting design. With expertise in various other protection products, ION relies again on SAS TEC pads that can be found at the shoulder, elbows and back. The shirt fits like a base layer so you won't even realise you're wearing full protection. Speaking of