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The SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket specification. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.
DUB
The relationship between bottom bracket spindle and bearing is the core of DUB technology. It’s where stiffness meets durability. We took it a step beyond conventional thinking and made everything simpler—better integrating the relationship between chainring, crank, spindle and bottom bracket. It’s this approach to developing a complete system that equals better drivetrain performance.
More:
One oversized spindle to work across every bottom bracket specification.
Easy installation
PressFit cups for lighter weight
Sealed cartridge bearings available in both stainless and ceramic versions
|
BEARING TYPE |
Ceramic, Standard |
|
SPINDLE DIAMETER |
DUB |
|
SPINDLE LENGTH |
n/a |
|
CHAINLINE |
45.0mm, 47.5mm, 49.0mm, 51.0mm, 52.0mm, 55.0mm, 56.5mm, 66.5mm, 76.5mm |
|
SUPPORT E-TYPE FD |
n/a |
|
CUP MATERIAL |
Aluminum |
|
BOTTOM BRACKET TECHNOLOGY |
DUB |
|
CRANKSETS TYPE |
DH, FAT, MTB, MTB Cannondale Ai, MTB Wide, Road, Road Cannondale Ai, Road Wide |
|
BOTTOM BRACKET SHELL TYPE |
BB386 86.5, BBRight, PF30 100, PF30 68, PF30 73, PF30 83 |
