Accessory Cups Sram PF30 Box 46x83mm MTB Cannondale DUB

The SRAM DUB™ (Durable Unified Bottom Bracket) series has two simple jobs: To connect and store the crank arms and to ensure consistently smooth power transmission to the derailleur. To make this possible, SRAM designed the DUB™ crankshaft to be the central unifying component. An oversized crankshaft for all bottom bracket standards, better crank compatibility, better protection from the elements and increased durability.

Version for pressure frame 30 (PF46) and 83 mm mounting width for Cannondale Ai.

Things to remember

• an oversized driveshaft for all bottom bracket housing standards
• sealed bearings
• Grooved seals for better sealing against dirt and moisture
• significantly lighter than the SRAM GXP system
• DUB™ is NOT a new standard for bearing housing