Cane Creek Hellbender 70 Slam Headset Model-Penthouse MK5 and precision when that killer

and precision when that killer climb turns into an even more killer descent

Right Rear Der/Shifter Compatibility Shimano Road Di2

BOX's top of the line 9-speed shifter comes packed with features such as a hinged clamp and a durable cast aluminum pull lever and top shell

MIPS: Impact protection that protects the brain especially when the cyclist's head hits the ground at an angle during a fall

Aysmetric Rim Rear Axle 12mm Thru x 148mm

Cane Creek Hellbender 70 Slam Headset Model-Penthouse MK5 and precision when that killerPremium headset created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload Internally contoured and relieved 6061 T6 aluminum for minimized weight and maximized strength Premium, sealed stainless steel Hellbender bearings Alloy dual seal crown race provides excellent seal efficiency with low friction Carbon friendly compression ring