Review and photos by Johan Hjord. For quite some time, e*thirteen was basically another word for chain retention systems (aka chainguides), and rightfully so - the original e*thirteen guide + bash combos were certainly pushing innovation and design in chain management, and their ubiquitous "Turbocharger" bashrings graced many a bike build, be it at the races or out with mates. E-thirteen chain guide for a downhill mountain bike. This is the LG1 model with bottom bash guard, adjustable bottom roller and top chain guide. This was a real PIA to model because there are so few straight lines to pull measurements off of and almost all side of the guides are curved with weird angled cuts. e*thirteen TRS Race Carbon 100 mm Fat Bike Cranks. 377.31€ e*thirteen LG1 Race Carbon 83 mm Cranks - 2018 Model. 335.29€ e*thirteen XCX+ CX Cyclocross Chain Guide for Upper Seat Tube Mount. 83.99€ (1) e*thirteen TRS Race Dual Chain Guide. Guide MSRP: $160; The $250 LG1+ crankset is specifically designed for DH bikes and riders looking to get rowdy in the bike park. Bottom brackets are sold separately for $69, as are chainrings for $55. All in, you're looking at about $380 to get rolling with an LG1+ crankset. Unique to e13 is the P3 Connect spindle and crank arm interface. Chain devices buying guide. Share. Posted in Cycle. The differences between these to mounts are that ISCGold has bolt fitting circle diameter of 59.4mm and ISCG05 is 73mm. Full guide with integrated bash guard. Lower chain guide. The re-designed E*thirteen LG1+ guide brings world class chain control that is lighter, stiffer and much more adjustable and versitle to your back yard. ISCG05 mounting holes and upper/lower sliders are the most adjustable on the market ensuring you get the perfect fit for your specific needs. It's perfect for race bikes, or any other bikes for that matter that rely on a drivetrain consisting of a single chainring and a multi-speed cassette/rear derailleur. And just like the variet