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  • SRAM DUB PF30 Bottom Bracket
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SRAMDUB PF30 Bottom Bracket
$50.00

Item # SRM00D7

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  • One Color, 30mm ($50.00)
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Item # SRM00D7
Description

Timeless.

Bottom bracket standards might as well be a four-letter-word in the bike industry. Always changing, never cross compatible, and constantly causing headaches as we fumble through adapter cups and aftermarket pieces to try to carry your crankset from bike to bike. Designers at SRAM must have been fed up with the confusion, too, which we suspect has something to do with their design of the DUB PF30 Bottom Bracket. This bottom bracket doesn't introduce new standards when it comes to your bike's bottom bracket shell, fitting snugly into your PF30 frame just like any other PF30 bottom bracket, but where it differs is in the spindle. This new bottom bracket is designed to flawlessly fit SRAM's new DUB cranksets, with a 28.99mm spindle across the board, allowing you to upgrade your crank, while future-proofing it.

We're fans of SRAM's new take on bottom brackets, straying away from the never ending dilemma of shell standard compatibility, and instead looking to the crank itself to transcend one bottom bracket to another. This is achieved by using a standard inner bottom bracket bearing diameter of 28.99-millimeters for stiff power when paired with a SRAM DUB Crank, but placing the bearings in a variety of bottom bracket sleeves to pair with any current bottom bracket standard on the market. This means there's no more stressing between whether a PF30 and GXP crank will work for you — instead, you can rest assured that there's a DUB bottom bracket out there for your current bike, and your future bikes, so you can keep your dream crankset running with you for years to come.

  • Future-proof your bike with SRAM's DUB bottom bracket
  • Standard PF30 shell fits neatly in your PF30 bike
  • Wide 28.99mm bearing diameter increases stiffness
  • Steel bearings are smooth rolling and durable
Tech SpecsWeight
Tech Specs
Material
aluminum, steel
Shell Type
PF30
Shell Width
73mm
Threading
press-fit
Axle Type
28.99mm DUB
Recommended Use
cross-country, downhill, enduro, trail
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

One Color, 30mm
259g
9.14oz

Claimed Weight

Claimed weights are provided by the vendor.

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89g
PF30

Reviews & Community

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Almost perfect

  • Familiarity: I've put it through the wringer

I like how SRAM has created a platform designed to accommodate the zillion different BB standards.
However!
BB installers be careful!!!
The external dust covers on the bearings are very fragile, older style BB install tools sometimes don't fit the newer, tighter tolerances...pay especially close attention to the press-fit versions.

dub

  • Familiarity: I've used it several times

only a month on but so far no creaks and runs very smooth. I expect a lot from Sram and so far the new dub bb is holding up to their standards.