SPECIFICATIONS Brand: RIRO Material: Aluminum Alloy / Ceramic Color: Black, Red, Purple, Gold, Gray, Ceramic-Black Inner Diameter: Ø24mm Compatible Frame Bottom Bracket: 68-73mm Application: Compatible with SHIMANO series, RIRO, JIANKUN, and other cranks with 24mm shaft Weight: Ceramic - 97g, Ordinary - 95g (including adjustment ring)

Read more less