CeramicSpeed SRAM DUB MTB T47/73 Bottom Bracket - 110446

T47 is a standard created by custom frame builders. It's threaded, has an inner diameter of 47 mm, and is 73 mm wide. It has the design benefits of being oversized and wide, but also the practical benefits of threads.

The cups have CeramicSpeed bearings pressed in. The Coated Bearing has CeramicSpeed balls running on a 3-micron thick coating placed on top of hardened-steel races for greater durability and less friction.

Features:

• Lowest friction
• Optimized power transfer
• Longest Product Lifetime
• High resistance to contamination and corrosion
• Designed for SRAM's DUB crank standard, built on a 28.99 mm spindle
• A more contamination resistant BB design that uses an integrated dust cover with a snug and secure fit to fully protect the face of the bearing
• Carries the load from crank to frame with unparalleled durability and efficiency
• Grade 3 Silicon Nitride balls
• Hardened races
• Reinforced polyamide cage and non-contact seals

Specifications:

• BB Type: T47 MTB 73 mm
• BB Shell Width: 73 mm
• Bottom Bracket Shell I.D.: 47 mm
• Spindle Length: 28.99 mm
• Spindle Interface Type: SRAM DUB
• Net weight: 115 g
• Gross Weight: 239 g

Included:

• (2) Cups with CeramicSpeed Bearings installed
• (2) Dustcovers
• (4) 1 mm Spacers
• (4) 3 mm Spacers
• Spacer-tube
• All Round Grease
• Decal

Compatibility:

• 73 mm frames

Compatibility (2.12 MB)

Maintenance Guide

Bottom Bracket Spacer Guide