What is BB30 standard?
The term BB30 was an early term in the history of this standard and refers to the 30mm diameter of the spindle used at that time. However, bottom bracket bearings are available in this standard for 28.99mm, 24mm and 22/24mm spindle systems.
Is BB30 the same as BB92?
Nope. The spindle on a BB30 crankset is too large (30mm) to fit through the hole in a BB92 BB shell and still have room for bearings. The spindle size on a crankset that is compatible with a BB92 is 24mm. You can go the otherway though…
Is BB30 compatible with Shimano?
Our Shimano BB30/PF30 68mm ROAD BB. It is compatible with Shimano™ Hollowtech II cranks. High-grade Enduro 2437 steel bearings are fully sealed and are a fantastic replacement BB for your Shimano™ drivetrain.
Are all BB30 same width?
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. However, frame’s with BB30 shells can be used many other sized crank spindles.
Is ultegra compatible with BB30?
Absolutely. A threaded BB is needed.
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 is the difference between a BB30 and BB30 crankset?
A major source of confusion lies in the name itself – all BB30 cranksets have 30mm spindles, but not all 30mm spindle cranksets are BB30. BB30 specifically refers to a standard that used 68 or 73mm shells with a 42mm inner diameter meant to press 6806 bearings directly into the frame which had a 30mm internal diameter.
How do I change the bearings on my BB30 crankset?
Remove your BB30 crank, clean it, and put it in the freezer. Trust me, just do it. Knock those old BB30 (6806) bearings out and throw them away. Now take those brand new Ceramitech or BBInfinite ABEC-7 bearings out of the package and meticulously clean every bit of oil and grease from the outside.
What is the torque setting on a T30 BB30 bottom bracket?
FIRST’s T30 BB30 bottom bracket BSA adapter comes with its own special wrench. Recommended torque is in the range of 35nM to 45nM. Turning the bearing cup with the wrench to the point where no more movement possible will give you a torque setting of between 35-38nm.
What is the best bottom bracket for a 30mm crank?
In short, though, a PF30 bottom bracket system is arguably THE solution for getting a 30mm crank onto your bike, if you must have a press-fit system at any rate. Of course, the advent of the 28.99mm standard promises to hit the sweet spot when it comes to taking full advantage of 30mm (-ish) spindles.