E Thirteen XCX Race Mountain Carbon CranksetThis mountain bike crankset features a 30mm spindle, APS preload adjuster, and self-extractor for bringing class-leading performance to your favourite trails. Engineered for wherever your next mountain bike (MTB) adventure takes you, this model is equipped with compression moulded carbon fibre crankarms for a fantastic balance of stiffness and durability without adding any unnecessary excess grams to your ride. Another benefit of its carbon build is it delivers excellent strength when climbing, and when it’s time to descend you’ll not have to worry about any weight holding you back. e.thirteen has also combined their years of World Cup racing experience and using a patented process, to make this one of the lightest production carbon crankset on the market, weighing in at only 360g without a chainring - sub 400g with a chainring.Please note: Compatible bottom brackets and chainrings are available separately.Features: Crankarm Material: Compression moulded Carbon Fibre Spindle Material: Aluminium Use: MTB Spindle: Width: 73mm; Diameter: 30mm, Interface P3 Connect Chainring: e.thirteen Direct Mount -5mm Offset Chainring (chainrings sold separately) Q-Factor: 172mm Self Extractor: Yes APS Preload Adjuster: Yes Chainline: 73mm Spindle: Boost (52mm) chainline with UL Chainring; 73mm Spindle: Non-Boost (49mm) chainline with a -8mm Offset Chainring Chainring Compatibility: UL Chainring, and SL Chainring (chainrings sold separately) Bottom Bracket Compatibility: 30mm PressFit Bottom Brackets, and Threaded Bottom Brackets (bottom brackets sold separately) Weight: 360g (approx without chainring)Manufacturer’s Part Numbers: E13CR2004 Black 170 x 73mm E13CR2005 Black 175 x 73mmBuy E Thirteen Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.