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Hambini Bottom Bracket section

The Hambini channel is now available on YouTube, previous content that was removed from YouTube due to censorship is available on Odysee.


Popular Products

A selection of popular products from the Hambini Webshop. You will find a selection of bearings, tools and bottom brackets. If there is something you cannot find or have a query with. Please use the contact page.


Hambini Blog

The Hambini Blog is focused on engineering. There are dedicated sections in the areas of tribology and aerodynamics. A number of articles focus on the practical problems in engineering and specifically bicycles. These articles are a great source of information and popular amongst bicycle shops.


  • Cannondale Systemsix Custom Bottom Bracket PF30A Shimano
    PF30A Cannondale Bottom Bracket designed and built by an individual who had a slightly oval bottom bracket aperture. This design also necks the center section to allow for more clearance for cables.
  • AbsoluteBLACK Hollowcage OSPW arrives for a review
    Thanks to Grant from GC Performance YouTube channel for sending in his AbsoluteBLACK Hollowcage OSPW. This has now come in for a review. You can find out some other attributes of the AbsoluteBLACK Hollowcage OSPW in the pre-review located here
  • Specialized Tarmac S-Works SL7 Fork Recall
    Documents leaked by Durianrider indicate that Specialized is about to launch an extensive product recall on their S-Works Tarmac SL7 series of bikes owing to a potential failure of the steerer fork.
  • High End Bike Shop trashes a Parlee Z5 frame by using Epoxy to fix a creaky bottom bracket
    A high end bike shop in London decided it would be a good idea to fix a customer’s Parlee Z5 bike frame by using Epoxy to glue some Campagnolo bottom bracket cups in to the bike frame. What followed was a customer who was repeatedly going through bottom bracket cups – often in the space […]
  • AbsoluteBLACK Hollowcage $700 OSPW leaves company reputation in tatters
    The Polish Company AbsoluteBLACK were destroyed on social media after their claims about ceramic bearings, power savings and watts were questioned. They systematically curated both their own social media accounts and comments on other accounts. They removed large numbers of comments that questioned their aerodynamic and power claims
  • Farsports Ventoux Wheel Teardown
    This video shows you how to replace the bearings in a Farsports Ventoux wheelset. This covers the front hub, rear hub and rear freehub. A review of the wheelset is available here The replacement bearings are as follows NTN 6803 LLB, Quantity 5 NTN 6903 LLB, Quantity 1 Overaxle presses are as follows 6903 overaxle […]