The Crank Brothers Y16 features:

but perfectly pairs as an extra or replacement reservoir for Osprey's Seral lumbar mountain biking pack

but the best never is

Enduro and All-Mountain riders who want a lightweight yet protective glove

Hope Tech 4 V4 Disc Brake - Rear - Left Lever - 1720mm - Black - Red PDP|Option The Crank Brothers Y16 features:The all new Tech 4 V4 builds on Hope's 25+ years experience designing and manufacturing hydraulic brake systems. The Tech 4 uses all new internal sealing for reduced friction and the pivot spins on roller bearings, allowing the spring rate to be reduced. The lower spring rate in turn gives a lighter lever action, reducing rider fatigue and keeping our legendary feel and modulation. The updated V4 caliper utilises hybrid style Stainless steel pistons