PRAXIS Road M30 Bb30/pf30 Bottom Bracket Cups

Praxis Works 68mm M30 Converter Bottom Bracket BB30/PF30 Praxis Works' 68mm M30 Converter Bottom Bracket BB30/PF30 keeps the cartridge bearings outboard of the frame, inline with Shimano Specifications, for a stronger degree of rigidity. This setup also frees you of frame or c-clip tolerance issues that often afflict other similar systems. Instal... morelation is simple and with high quality forged and machined heat treated 7075 T6 AL Cups and steel cartridge bearing, this system is sure to last through many seasons of rigorous use. To set up press in the longer non-drive-cup, then the shorter drive cup threads into it. As the drive cup threads in, Praxis Work's trademark Collet system expands to a precise limit evenly dispersing pressure for a super tight fit. With both cups connected and the collet set exactly to spec, there is no chance the bearings can come out of alignment or work free and move out of the frame. This design also uses a compressible o-ring on the non-drive side cup to compensate for frame shell width discrepancies. This 68mm model cannot be used with mountain bike cranks.

BB30/PF30 compatible bottom bracket for frame diameter 42/46 mm and width 68/73 and 61.5 mmCompatible with 42/46mm diameter frameCompatible with 68/73 and 61.5 mm crankset width (OSBB Specialized)Compatible with Praxis cranksets M30 axle 30-28 mmAdditional information PDF at the bottom of the page.Order number: 68-4001RDoes your bike crack when you... morepress hard on the pedals, has the crankset lost its fluidity or has it become loose? The symptoms are clear: it is time to change your bottom bracket. Like all the parts that make up your bike, the bottom bracket and especially its bearings are subject to wear.Its replacement is a simple operation if it is well prepared, indeed the multiplication of the standards of bearings, bottom bracket and frame will discourage some. We will try to guide you through this jungle of standards. The bottom bracket is the interface between your bottom bracket and your frame, so the first thing to do is to identify which bottom bracket you want to fi...