Wheels Manufacturing Outboard Bottom Bracket

The Outboard bottom brackets from Wheels Manufacturing allow Sram MTB and road cranks with a 24-22 mm GXP axle to be fitted into frames with BB30 bottom bracket shells with a 42 mm press-fit depth and a width of 68 or 73 mm.

BB930 bottom bracket shells:

BB30 bottom bracket shells have a width of 68–73 mm and a press-fit depth of 42 mm. The 68 mm installation dimension is compatible with road and MTB cranksets, whilst the 73 mm installation dimension is compatible only with MTB cranksets. These bottom brackets are press-fit.

Sram GXP crank axle:

The SRAM GXP crankset system features different axle diameters. The outer diameter of the axle on the drive side is 24 mm and 22 mm on the left side. GXP-compatible bottom brackets are required for this.

Wheels Threaded Outboard:

Unlike other press-fit bottom brackets, the Wheels Manufacturing Outboard cups are bolted together. This has the major advantage that the bottom bracket cups, and therefore the bearings, sit very firmly and absolutely parallel within the frame. This reliably prevents the annoying and irritating creaking and grinding of the bearings in the frame. Even frames with slightly worn-out bottom bracket shells can often still be used with this system. This ensures a long service life for both the bottom bracket and the frame. The bottom bracket cups are made from high-strength aluminium.

Wheels Enduro Angular Contact Ball Bearings:

The Wheels Enduro ABEC5 angular contact ball bearings are specially designed for use in hubs and bottom brackets. Whereas in standard radial bearings only 3 or 4 balls are loaded simultaneously, in angular contact ball bearings all balls are loaded evenly. This is why this type of bearing is also known as a full-contact bearing. This distributes the applied force across the entire bearing, reducing friction and wear. The balls in these bearings are manufactured with extreme precision, with a tolerance of just 10/1,000,000 – twice as precise as standard industrial bearings

Wheels Manufacturing Outboard Bottom Bracket Technology:

• Suitable for BB30 bottom bracket shells
• Press-fit diameter 42 mm, width 68/73 mm
• For 24–22 mm crank axles: Sram GXP cranks only
• Applications: Road, Cross Country, All Mountain, Enduro
• 7075 aluminium bearing cups, forged and CNC-machined.
• ABEC5 angular contact Enduro bearings
• Weight 153 grams

Wheels Outboard bottom bracket compatibility:

Compatible with Shimano Hollowtech II, FSA Megaexo and Race Face X Type cranksets with a solid 24 mm axle. MTB and road bike; for installation in a 68 mm bottom bracket shell, 5 washers (item no. BB-24MM-1.0) are required for MTB cranksets. For installation, use a Hollowtech II-compatible bottom bracket tool, such as the TL-FC32 or TL-FC33

Herstellerinformation: WHEELS MANUFACTURING, 475 Arthur Ave. #1, 80027 Louisville, Colorado, United States, https://wheelsmfg.com | EU contact: Tomeikerweg 31, 6161RB Geleen, Netherlands, https://tehava.com