The sxg carbon chain guidefrom mrp is a chainguide fro those expecting no compromise no longer does the desire for protection and both upper and lower retention have to come at the expense of weight efficiency or the addition of moving parts with the sxg covering all those bases its the first guide in history thats equally at home on anything from aggressive short travel bikes to armageddon ready rampage rigs and everywhere in between its a guide that refuses to be pigeon holed blurr