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.

BBInfinite One-Piece Press Fit Bottom Brackets Are Here! The BBInfinite BB30 DirectFit Shimano Mountain Bike BB module works with all Shimano HollowTech mountain cranksets on the market, from Deore to XTR. All of our modules ship with the …

Jan 23, 2018 · Sram MTB bottom bracket shield and wave washer assembly fits PressFit GXP MTB. Bike disc brake spares. It is suitable for mountain bike. This awesome bike bottom brackets will suit your bike. A genuine and original Sram MTB spare part. It features quality bearings and easy installation.

The BB30 bottom bracket allows you to pair 30mm spindle cranks to 42mm inner diameter bottom bracket shells. Cannondale pioneered this standard along with specially designed cranks and many have found the benefits to them. Road versions have a 68mm width, MTB has 73mm.

DUB BB30 Bottom Bracket, BB-DUB-BB30-A1, SRAM. The SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrai...

Jul 12, 2019 · The right bottom bracket for the Sram due to crank generation for mountain bike frames with BB30 AI inner bearing shell. The dub bearings have an improved seal to ensure an even longer, silky smooth running of the crank.

SRAM’s DUB BB30 (Road or MTB) 68/73mm Bottom Bracket offers machined aluminium cups and durable, low friction bearings. It's designed to fit all BB30 frames whether the shell is 68mm or 73mm making it suitable for both mountain bike and road applications.

BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings.

The BBInfinite BB30 Mountain Bike Bottom Bracket Module works with most 30mm spindle crank sets on the market such as the FSA K-Force cranks, Rotor 3DF cranks, Cannondale Hollowgram Si/SL’s. All of our modules ship with the special press tools and retaining compounds you'll need.

The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.