they are sold as a pair

Chainline-  52mm

A handy tool combining a chain hook

we have seen frames fail from modification

Hope Pro 4 Straight Pull Rear 6 Bolt Disc Hub - 12x142mm - 32 Hole - XD Driver - Red Heavy/Bulky they are sold as aThe 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