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Wheels MfgBBRight Outboard Shimano Bottom Bracket

$85.00

Item # WHL1WU0

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  • Black, 79mm ($85.00)
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Item # WHL1WU0
Description

BBRight Outboard Shimano Bottom Bracket

Run the cranks you like on your BBRight bike with Wheels MFG BBRight Outboard Shimano Bottom Bracket. This adaptable BB enables you to roll with your extra-wide and stiff BBRight bottom bracket and Shimano cranks without messy adapters getting in the way. It features an aluminum shell that's precision machined to thread together, holding the drive-side bearing nestled snugly in the frame, with the signature outboard non-drive-side bearing firmly in place, free of creaks, squeaks, and messy alignment issues. The internals utilize Enduro ABEC-3 bearings for smooth rolling properties and durability, and the bottom bracket comes along with all of the spacers you'll need to get your chainline just right.

  • Roll fast with a sleek BBRight bottom bracket for Shimano cranks
  • Sleek aluminum construction is CNC machined for precision
  • Shell threads together to avoid annoying creaks and squeaks
  • Enduro ABEC-3 bearings are smooth rolling and durable
  • Spacers are included to get your chainline just right

Tech Specs
Material
[shell] aluminum, [bearings] steel
Shell Type
BBRight
Shell Width
79mm
Threading
press-fit
Axle Type
Shimano 24mm
Recommended Use
road cycling
Manufacturer Warranty
lifetime
Weight

Actual Weight

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

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Grams

Oz

Black, 79mm
145g
5.11oz

Claimed Weight

Claimed weights are provided by the vendor.

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146g

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    What do you think about this product?

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    >Rating: 3

    Great housing. Poor bearings

    Familiarity:
    I've put it through the wringer

    I installed this bottom bracket on my Cervelo Aspero, and I've used it with 3 different Shimano cranks - 1 Ultegra and 2 GRXs. There aren't a lot of options for the BB-right standard, and this is probably the best since Wheels Mfg. makes high quality stuff. The machined aluminum housing is very well made, screws together smoothly and stays put with no creaking or misalignment problems. The only installation downside is that it requires 2 different non-standard size BB wrenches. My trusty Park wrench wouldn't work, even with an adapter. Luckily, I borrowed one wrench from a friend and was able to hold the other side with my hand while fully tightening the housing. The other major downside here is the low-end Enduro brand bearings. After 7 months of mixed surface use, the non-drive (left) side bearing felt rough. I popped off the outer seal, cleaned the inside with WD-40 and out came grit and rust. Yes, I've ridden it in mud, but it should've lasted longer. While Wheels Mfg. offers a lifetime warranty on the housing, there is no warranty whatsoever on this particular Enduro bearing. Now, here's where it gets a little interesting. You can just buy replacement Enduro bearings for $10 each, but then you have to accept another downside of this setup. The Enduro bearings have an inside diameter of 24mm, the same as a Shimano crank spindle. So your expensive aluminum crank is rubbing directly against the hardened steel inner race of the bearing. That could eventually wear down your crank spindle and ruin it. Shimano, SRAM, Chris King and others solve this problem by using a standard 25mm ID bearing and inserting a plastic (Delrin) sleeve to take up the gap and protect the spindle. I decided to go this route and ordered some standard 25mm bearings from an internet bearing supplier. They cost the same as the Enduro bearings ($10 each) but are better quality. They have a metal cage (less friction) and better seals (the LLU designation). The Enduro bearings popped out easily with a Park press fit bearing removal tool, and the new bearings popped right in with my homemade bearing press. But now I had 25mm bearings and a 24mm crank spindle and would need a sleeve to take up the space. You can buy Chris King sleeves for $20, or you can do what I did. I had a couple of used Shimano BBs lying around, and I popped the plastic sleeves out and put them in my 25mm bearings. It took a little encouragement from a rubber dead blow hammer, but I was able to insert my GRX crank through the plastic sleeves. The crank spins freely and is noticeably easier to pedal, probably because of the higher quality bearings. So ... Wheels Mfg. has done a great job of precisely machining this high quality bottom bracket housing, but the Enduro bearings are crap. Go ahead an buy this for your Cervelo, but know that you may have a problem with the bearings, especially if you ride in dirt, mud or rain. You might as well go ahead and decide how you want to replace them because they probably won't last long.

    I