The Jitsie chain stay protector protects your frame in the case of chain slap caused for example by landing hard from a jump.
Details from the Jitsie chain stay protector:
* quick and easy to install with the velcro closure
* quality neoprene material and double stitching for increased durability
* 10.5X17cm dimensions allow for an easy installation on most trials frames
* weight 13.5g
Chain Stay Protector Part # BI14-4332