Orbit MX Groups and Build Kits BB30-SHIM adapts 24mm Spindle Cranks

BB30-SHIM adapts 24mm Spindle Cranks (Shimano

2 layer stetch

Brake Material Aluminum Brake Type V-Brake Brake Weight 168g Pad Type Cartridge Primary Color Black

MINI CLUSTER technology with aluminum large cog for light weight and durability

Orbit MX Groups and Build Kits BB30-SHIM adapts 24mm Spindle CranksUpper bearings: 1 1 8'', 36 36 ACB (black seal) Lower bearings: 1 1 8'', 36 36 ACB (black seal) Forged and CNC machined alloy cups Stack height: 32. 1mm Attributes Bearing Grade ACB Sealed Crown Race Diameter 30mm Headset Position Complete Headset Type External, Threadless Headset Weight 100g Lower Cup 34mm Material Aluminum Misc 36 36 ACB (black seal) Primary Color Black S. H. I. S. EC34 28. 6 EC34 30 SHIS Lower EC34 30 SHIS Upper EC34 28. 6 Stack