The Bullet Ultra chainset is manufactured from uni-directional carbon fibre and makes for a light and stiff chainset that maximises the power transfer to the road with unparalleled aerodynamics.

Features:

Full carbon fibre spider: the unique shape of the chainring mount is specifically designed for maximum aerodynamic efficiency while also increasing the overall stiffness of the chainset.

XPSS(TM): Exclusive design of the eight up-shift zones and two down-shift zones of the chainring. The specific profile of the teeth and the zones dedicated to upward and downward chain movement enables fast and precise shifting in all conditions.

Power-Torque bottom bracket: System with single axle designed to maximize stiffness and power transfer.

About Chainsets

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.

About the Campagnolo brand

Besides distinguishing themselves for their unparalleled quality and performance, Campagnolo products have also become the benchmark of design. This is testified by the prestigious Compasso d'Oro award granted by the Associazione Design Italiano in recognition of the Veloce groupset, Ergopower integrated controls and Shamal high-profile wheels. Campagnolo is not only involved in the cycling world, but dedicates itself to all sports in general. In fact, it was named by the Wall Street Journal as one of the most prominent sports brands in the world. A reputation earned not only as a result of the countless successes achieved in racing competitions, but also by virtue of the attention given to quality and to service that sets this company apart from all others.