This FSA SL-K Light MegaExo Double Chainset is no longer available although you may find similar or newer versions below:
The SL-K Light carbon fibre chainset is manufactured using the same hollow carbon molding process FSA pioneered with their K-Force Light crankset.
|Bottom Bracket Type:||MegaExo|
The main benefits of the hollow carbon construction are simple: Stiffness and weight savings. You'll also feel zero crank flex. Fitted to the arms are a pair of Semi solid AL7075 100% CNC process chainrings secured by AL7075 Torx T-30 alloy chainring bolts.
The SL-K uses a MegaExo bottom bracket which is built with hardened steel ball bearings instead of the ceramic hybrid bearings of the K-Force Light, this helps reduce the cost of the overall system but allows for an upgrade to the Ceramic version at a later date. Q-factor remains narrow at 145mm and a chainline of 44mm means smooth shifting with 9 or 10 speed Sram, Shimano drivetrains.
Your chainset must fit onto your bottom bracket! There are currently four chainset/bottom bracket interfaces that you're likely to come across. If your bottom bracket is made by Shimano and it has splines, then you need an Octalink chainset. If your b/b is NOT made by Shimano and it has splines, it's almost certainly ISIS. There are a very few non-Shimano chainsets with Shimano Octalink interfaces so, to be sure, count the splines - ISIS has 9, Octalink has (surprise, surprise) 8. No matter which brand of b/b you have, if it has a square interface, it will require a traditional square taper chainset. If you have one of the new Hollowtech II systems, you will need to choose the exact chainset that matches your bottom bracket. Most MTB chainsets are now 9-speed compatible but these will work with an 8-speed system.
The driving force of bicycle component maker Full Speed Ahead is well captured in their name. FSA stays ahead of the competition through design innovation and manufacturing expertise. FSA's manufacturing base is in Taiwan, but they are truly a global company, with offices in the USA & Italy that collaborate to direct FSA's component development. FSA offers solutions for speed across a broad range of bicycle components; from headsets to wheels; cranksets and bottom brackets, Vision Time Trial & Triathlon bars and handlebars & stems. Why FSA win: Using ceramic, stainless steel, titanium and a half dozen grades of aluminium and numerous composite materials including molded, tubular and high-compression plate carbon fibre gives them the ability to apply the perfect material to each specific application.
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Executive Director: Stefan Barden.