Is PF30 and BB30 the same?

Is PF30 and BB30 the same?

ARE PF30 & BB30 the SAME? No they are not the same. But they are also not all that different. 6806 is a number you’ll see describing the bearings used for both pf30 and BB30.

What size bottom bracket do I need for my BMX?

Bottom brackets for BMX bikes come in 19mm, 19mm mid, 22mm, 22mm mid, and 24mm. Basically, this size refers to the size of the spindle that will pass through the bearing and allows the cranks to spin. This size of your bearing will be depending on the brand of your cranks as some brands will make a specific size only.

What size is a BB30 bottom bracket?

The BB30 bottom bracket shell is typically 68mm (road) or 73mm (mtb) wide with an inside diameter of 42mm. Originally the BB30 system was designed to use 30mm diameter crank spindles.

What size BB do I need?

To find out the size of bottom bracket needed, measure the inside of the bottom bracket shell in your frame, it will be 73mm, 70mm or 68mm. Some older frames may have Italian threaded bottom brackets, instead of the more modern English.

What is T47 BB?

T47 is Stiff Bottom bracket shells with smaller inner diameters such as BB86 generally have to resort to wider bottom bracket shells and beefier tubes to achieve what the PF30 (46mm) starting platform can do with smaller diameter tubing.

Can I replace BB30 with PF30?

BB30 and PF30 are completely different, from the frame perspective. In other words, a PF30 frame needs a PF30 BB, and a B30 frame needs a BB30 BB. However the cranksets are identical, so a BB30 crankset fits a PF30 BB/frame (this was my CX setup for last season).

Do bottom brackets make a difference?

In addition, the average drag for all of the bottom brackets tested is just 0.77W. In other words, bottom brackets do different significantly drag-wise in terms of percentages but as far as actual watts are concerned, we’re talking relatively small numbers here that most general cyclists aren’t likely to notice.

Who uses T47 bottom bracket?

In any case, T47 is a major player at the Handmade Bike Show, but I would be surprised if more than 2000 frames were made in 2016. On the component side, there are several major players offering the bottom brackets: Enduro, White Industries and Chris King all have production available.