Bottom Bracket Wheels Manufacturing

These threaded bottom brackets from Wheels Manufacturing allow Sram DUB MTB and road cranks with 29 mm axles to be fitted to frames with Pressfit 30a, asymmetrical bottom bracket shells with a width of 73 mm and a press-fit depth of 46 mm. These bottom brackets are compatible with Sram DUB cranks featuring a 29 mm axle system.

PressFit 30A, asymmetrical bottom bracket shell:

Unlike standard PressFit 30 bottom bracket shells, the BB30A shells are asymmetrical. The bottom bracket shell width is 73 mm and is narrower on the drive side. Consequently, standard PressFit 30 bottom brackets do not fit, nor do BB30 road bike cranksets. The axles of BB30 road bike cranksets are too short for a 73 mm installation dimension.

Sram DUB crank axles 29 mm:

SRAM has developed its own axle standard for DUB cranksets. SRAM DUB cranksets have an axle diameter of 29 mm and are only compatible with bottom brackets designed for DUB cranksets.

Wheels Threaded Outboard:

Unlike other press-fit bottom brackets, the Wheels Manufacturing Outboard bearing cups are screwed together. This has the major advantage that the bottom bracket shell sits very firmly and absolutely parallel within the frame. This means you can continue to use or salvage frames with slightly worn-out bottom bracket shells. 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 ABEC3 ball bearings:

The Wheels Enduro ABEC3 ball bearings offer very high precision. The balls are twice as round as standard industrial bearings, with a roundness tolerance of 10 / 1,000,000. The ball material, 52100 high-carbon chromium alloy, is extremely robust and specially hardened. It is also polished to a high gloss.

Wheels Manufacturing Outboard Bottom Bracket Technology:

• for Pressfit 30A, asymmetrical, bottom bracket shell width 73 mm, press-fit diameter 46 mm
• For 29 mm SRAM DUB crank axles
• Applications: Road, Cross Country, All Mountain, Enduro
• 7075 aluminium bearing cups, forged and CNC-machined
• Threaded version with bearing cups screwed together
• ABEC-3 Enduro bearings
• Weight 114 grams

Wheels Outboard bottom bracket compatibility:

Compatible with MTB and road bike Sram Dub cranksets with 29 mm crank axles The Wheels WRENCH-BB48-44 tool is required for installation. The standard Hollowtech tool does not fit

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