Middleburn cranks were first developed in the UK in 1991, and Middleburn continues to produce some of the finest MTB components currently available.
Since 1991 the original crank design has undergone many refinements.
The latest incarnations, the RS-7 and RS-8 are the result of advanced 3D and stress modeling techniques and ensure cranks that are not only among the stiffest but also the lightest and strongest available.
Middleburn’s in-house manufacturing process allows them to constantly examine and test each and every crank throughout the manufacturing process – with quality control that is second to none!
Both crank models are drop-forged from high quality 7075 T6 aluminum; a CNC machining process then finely sculptures each crank arm into the unmistakable Middleburn shape.
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