Blue 'Superstar' bike stem on a reflective surface with a white background

Rockstar Stem Launch

Short, stiff and machined from billet. Sensible price with a stealthy aesthetic. I think that sums it up?

Launch Deal - Get 25% off with code STEM

Currently 31.8 Bar version available, 35mm option launching in a few weeks time.

Apply Discount - CLICK HERE

Latest Product Releases

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Additive Manufacturing - Latest Technology

Superstar has always been using the latest automation and manufacturing technology to bring you class leading and innovative products. We have dived deep into 3d metal printing to launch some beautiful and technically amazing parts you can fit to your ride to blow your mates minds. Shh don't tell anyone but we are going to bring this manufacturing tech in-house to UK production, so get ordering and start the revolution!

Check out our first few items, we keep selling out as batches arrive. We have lots of prototype products undergoing testing and launching soon!

Check Me Out!

Our Favorite Products

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Cosmic Carbide

Ultra high quality endmills direct from the factory. We are now distributing a range of tooling as used 24/7 in our UK shop from one of the worlds largest producers at interstellar pricing. Sold in 5 packs to minimise shipping and warehouse costs so you get maximum bang for your buck!

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  • Subcontract Machining

    Our core business is manufacturing complex parts in large volumes while offering flexible production to meet your requirements at competitive prices.

  • CAD CAM

    Using the most advanced software we design and manufacture parts to exacting tolerances and surface finishes in our UK facility.

  • UK Machined Products

    UK Manufacturing at its best. In the heart of Motorsports Valley Superstar Components uses the finest CNC machines and advanced robotics to manufacture our products.

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