PROPER BIKES
The simplified brother of the Vanguard sprocket. This is a straight forward, no thrills sprocket, CNCed from 7075 alloy for maximum strength.
It’s got a 23.8mm bore (for Thunderbolt, Indent, or Rig cranks) and includes 19mm and 22mm spacers to fit all known cranks (except socketdrive Thunderbolts)
Proper Avantguard Sprocket
$52.00Price