being careful to ensure that the DART remains in place

and is compatible with 10 and 11-speed drivetrains on frames with Boost spacing

although PRO doesn't have any fancy names for it

1-1/8" and 1-1/4" headsets

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x148mm Boost - 32 Hole - Shimano HG Splined Steel - Black PDP|Option being careful to ensure thatThe Pro 4 is an incredibly versatile and easily serviceable hub that builds upon Hope's reputation for bulletproof quality and attention to detail. The hubs are machined from a single billet of 2014 T6 aluminium and run on stainless steel sealed cartridge bearings for smooth running and outstanding reliability. The 4 pawl ratchet system has 44 teeth with solid and reliable 8. 2 deg engagement with that unmistakable Hope sound. The Pro 4 spoke flange