Box One Stealth Expert Rear Hub Color:Black the crossbar is 16mm and

the crossbar is 16mm and they're available in 6 sizes in black and chrome

*Adjustable waist belt for maximum fit and adjustability

108 mm Arm = > 1 x 1/8 tires

ENGAGEMENT SYSTEM: Stealth Technology™

Features include a thick single cap and less external machining than its predecessor

Box One Stealth Expert Rear Hub Color:Black the crossbar is 16mm andThe Box One Stealth Expert Rear Hub 28H is a top of the line rear race hub meant for riders on mini, junior, or expert sized bikes. Engineered with only the amount of material needed to suit these sized riders needs this is a very lightweight piece of kit. Features CNC'd Aluminium Hubshell 10mm Axle Aluminium Axle Micro Adjust Pre Load Collar Hardened Stainless Steel Driver Instant Engagement Shimano Driver Compatible Enduro Abec 5 Low Drag Bearings