Giant TCR roasted: More Crap Quality Control
The Giant TCR was long thought to be one of the best made bikes out in the market. This frame was a joke and highlights the poor manufacturing the average customer would not be able to see.
Bottom Brackets
Engineering Analysis: Grease or Retaining Compound
This article is a technical discussion of the pros and cons of using grease or retaining compound for installation of bearings and bottom brackets. A general trend in recent times has been a move towards slacker fits. This improves performance and service life.
BB30A83 Custom Bottom Bracket Designed and Manufactured – Cannondale Topstone
A Hambini viewer recently enquired about a bottom bracket for his Cannondale TopStone Gravel bike. This bike uses a BB30A83 bottom bracket. A design which is highly unusual, extremely rare and unique to Cannondale. From the frame centerline, the driveside and non drive side apertures have an asymmetrical offset – hence the “A” in BB30A83….
Bearings | Bottom Brackets | Media | Reviews | Technical
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.
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…
Bearings | Bottom Brackets | Cranksets | Media | Technical
Hambini Bottom Bracket Install: Yoeleo R12 Disc Kyro’s House
Fresh from YouTube is another Hambini Bottom bracket install. This time in a Yoeleo R12. This is a revision of the R11 bike Frame that The Unabiker had issues with and it highlights the problems of frame tolerances. The bottom bracket is made to much tighter tolerances than the frames they are pushed into.
Yoeleo R11 Undersized Bottom Bracket fixed
Here is a video posted by The Unabiker on YouTube. In it he describes some of the problems he had with his Yoeleo frame and specifically trying to fit a Hambini Bottom Bracket into it. Yoeleo have historically had decent tolerances but it shows that nobody is immune. The check to get it fixed and…
Scott Foil gets roasted on the Hambini barbecue
This Scott Foil had it’s aerodynamic credentials severely burned on the Hambini barbecue. Staggeringly, the frame was the user’s second. The first was found to be out of specification. This frame was also found to be out of specification.
Hambini Bottom Bracket installed in a Cervelo frame
A Hambini bottom bracket user from Canada sent this link to their mechanic installing a Hambini BB into a Cervelo bike frame. The music and install are quite therapeutic!
Hambini Bottom Bracket in a Specialized Tarmac SL6
A Hambini BB user sent in this video of his Specialized Tarmac SL6 with a Hambini Racing BB30 to Shimano Bottom Bracket installed. As always, an unloaded spin test is not a good indicator of loaded performance!
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