Made from black anodized 7075 aluminum, these spline-drive sprockets feature a 6Al-4V titanium 48spline insert designed for our 22mm spindles. UPDATE 7-28-2025: we are currently using steel inserts from Profile until our titanium supply is replenished. 

25t = 72g/2.54oz
28t = 90g/3.17oz
34t = 101g/3.56oz