We offer two exceptional ranges of bottom brackets for BB30 OSBB Bottom Bracket for Shimano: HSC ceramic and AITA ceramic.
Assembled in Australia, both HSC and AITA ceramic bearing ranges feature ABEC 7 hardened steel bearing races combined with Si3N4 Grade 3 ceramic bearing balls, ensuring unmatched precision, durability, and performance.
These bottom brackets are manufactured to the highest industry standards, delivering exceptional smoothness and reliability for your bike.
About the brands:
HSC CERAMICS
Highlights:
100% Australian-owned
Assembled in Melbourne
Affordable, high-performance ceramic bearings with their own blended grease.
Trusted locally for 20+ years with excellent support.
Hold the Australian single-track bike speed record (by MHP at 116.39 km/h).
HSC Ceramics is a 100% Australian-owned ceramic bearing brand, rooted in the 1990s.
They source their parts from Japan, Germany, and China and make a very unique blended grease for their own ceramic bearings. Their bottom bracket are assembled in the western part of Melbourne and have been used and loved by local cyclists for over 20 years.
Buying their brand bottom bracket offers peace of mind. If you have any questions, concerns, or problems, they are always available to help. This is a brand that offers Aussie riders a trustworthy local customer care experience, making your journey happier and hassle-free.
HSC ceramic bottom bracket are reasonably and affordably priced and are just as good as other big international brands. Performance-wise, they can definitely beat other big brands, but most importantly, when you need assistance, you can speak to someone who knows what they are doing.
HSC supports the top Australian university, Monash University Monash Human Power (MHP) team, which broke the Australian men’s single-track bike record of 116.39 km/h, a speed that would get you a fine on an Australian freeway. This achievement makes their team hold the fastest and second-fastest Australian bicyclists titles as of 15th September 2023.
AITA CERAMIC
Highlights:
Australian brand supporting Paralympians since 2015.
Contributed to Olympic medals, national and Oceania records.
Collaborates with the Australian Institute of Sport on innovations.
Extensive bearing range and competitive pricing.
AITA Ceramic stands for Australia International Ceramic, another true Australian brand of ceramic bearings that has supported Australian Paralympian teams since 2015.
They helped win two gold and one bronze medal at the Tokyo 2020 Paralympic Games. AITA has also contributed to three Australian National Records and two Oceania Records and has supported the Australian team at multiple Paralympic Games and Para Athletic World Championships.
The unique part of this brand is that they have made nearly every bottom bracket type you may find in the cycling industry.
They also work very closely with the Australian Institute of Sport to develop the next generation of wheels for the Australian team.
Compared to the HSC brand, AITA can be a bit more expensive, but considering their high profile and in comparison with other international brands, the price is still very competitive.
And, like HSC, they are locally based in Australia, so support is always easily reachable.
BB30 OSBB Bottom Bracket for Shimano
Convert BB30 OSBB frame to accept Shimano 24mm
Features:
- Brand new designed CNC cups with lighter weight and more strength
- ABEC 7 standard alloy steel bearing races
- Grade 3 Si3N4 ceramic balls - highest precision in the market
- Pre-lubricated with HSC Ceramic Grease and sealed.
- Specially designed Nylon bearing retainer for more shock absorption and less friction
- Light touch rubber seals - super smoothnessFrame requirements:
- BB30 OSBB standard frame (bearings directly pressed into the frame) with shell ID 42mm, width 61mm
Crank compatibility:
- 24mm spindle cranks
Weight:
- 98 g
Note: 2 x 3.5 mm spacers is required to build up the OSBB frame to 68mm in order to accept most of cranks. The 3.5mm spacers will come with the bottom bracket.Specifications:
- CNC aluminium external BB cups;
- ABEC7 high chrome vacuum degassed bearing steel races with quenching and tempering hardening;
- Grade 3 Si3N4 ceramic bearing balls;
- Nylon bearing retainer;
- Dual lips light contact rubber bearing seals;Frame requirements:
- BB30 OSBB standard frame;
- Shell inner diameter 42mm and width 61mm (Road);Crankset compatibility:
- Shimano and FSA 24mm spindle road cranksets.Weight:
- 98 gNote: 2 x 3.5 mm spacers is required to build up the OSBB frame to 68mm in order to accept most of cranks. The 3.5mm spacers will come with the bottom bracket.
