We tame complexity when we can. But in our quest for simplicity, a 1x10 rarely works perfectly without the addition of a chain guide like this e*thirteen XCX E Thirteen XCX-ST Chain Guide - Lowest Prices and FREE shipping available from The World's largest online bike store - Chain Reaction Cycles. 31 Jan 2011 What is it: e*thirteen's solution for those who run a single ring, but don't need the protection and weight of a full sized chain guide. The XCX-ST E-Thirteen XCX CX Chain Guide :: From $99.95 :: E-Thirteen Chain Guides :: UniversalCycles.com - 30000+ mountain & road cycling parts. Online & in PortlandBuy your e.thirteen XCX-ST Chain Retention XC Guide - Bash Guards from Wiggle. Our price . Free worldwide delivery available. E Thirteen XCX-ST Direct Mount Chain Guide (Dtype) - Lowest Prices and FREE shipping available from The World's largest online bike store - Chain Reaction 21 Sep 2012 The E*thirteen Components XCX ST seat tube-mounted guide is a simple and effective guide for racers and trail riders who want go to a single 21 Jan 2013 It wasn't so long ago that chainguides were the sole premise of eight inch travel downhill bikes, but with the constant evolution of the trail and Seat tube mount guides are offered in high and low mount configurations to match frame design, check with your frame manufacturer on which your frame uses.