The two super durable o-rings secure it to the bar

inaccurate floor pump

Designed for use with most modern mountain and road bikes this kit aims to provide a solution that is compact and lightweight enough to carry with you on the road but still be durable enough for everyday use

Designed especially for the home mechanic

Ultralight Cinch and ISIS Spline Wrench Insert - older ISIS bottom brackets or the Race Face Cinch direct mount chainring system

Cane Creek AER II Series Headset Bearing - Blue - Steel-Aluminium - 1 1-8 Inch - 30.15x41x6.5mm - 36x45 - IS41 netsuite-webdata-created The two super durable o-ringsGenuine Cane Creek AER II Bearing. Made from Steel and Aluminium for the lightest possible bearing. Even though it manages to shave a whopping 35% off the weight of a standard bearing, it still maintains the quality and durability that Cane Creek bearings have become known for. The best part is, these are cross compatible between all of Cane Creek's other headsets! So you can upgrade your Ten, Forty or 110 series headset to have AER II bearings.