Raycelite gearing is the lightest mini gear in the world (37T, 43grams). Like all Rennen gearing products only 7075-T6 is used and sigificant machining is employed to greatly reduce the weightThe...
Rennen Sprockets are precision machined from aircraft quality 7075-T6 Aluminum ( 83% stronger than 6061) and polished to a beautiful luster or available in Stealth Black, offering the highest...
New asymmetrical tooth profiling and more upshift and downshift zones yield instantaneous smooth and quiet shifting, even under loadThree times stiffer than our previous Team chainrings without any...