Multiple Collocations: The conversion base can be used with many mountain bike accessories and combined with a variety of configuration options.
Precision Craftsmanship: precision machining and anodic oxidation electroplating, keep medals surface, bright color, not faded and corrosio-n resistance.
Applicable Model-104BCD 130BCD Chainring Adapter Electric Bicycle Motor Bicycle Gea-r Adapter Middle Drive Chainring For BBS250w-BBS750w
Excellent Quality: The positive tooth corresponding chain tooth is wide, tooth corresponding negative chain is narrow, high strength, exquisite workmanship.
Excellent Design: Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction.