SRB3

Description

• 3 Speed Internal Gear Hub for use with Band / Servo Brake

Specs

• Hub Shell Material - 6061 Aluminum
• Axle Diameter - 3/8” Slotted
• Axle Length - 185.0mm
• Over Locknut Dimension - 119.5mm
• Right Axle Protrusion Length - 29.9mm
• Left Axle Protrusion Length - 35.6mm
• Spoke Holes - 36
• Pitch Circle Diameter - 65.1mm
• Flange Width - 54.0mm
• Spoke Compatibility - 13g or 14g
• Sprocket Teeth - 13T through 22T
• Chain Line: 1/8” Flat 13T ? 19T - 45.9 44.3
• Chain Line: 1/8” Dished 17T ? 22T - 47.6 46.0 44.2 42.6
• Chain Line: 3/32” Flat 16T - 46.1 45.5 44.5 43.9
• Chain Line: 3/32” Dished 17T ? 22T - 47.9 46.3 43.7 42.1
• Indicator Chain - HSA420 Mark V
• Weight - 1010g

Gear Ratio

• Overall Range - 177%
• Gear 1 - 0.75 (-25.0%)
• Gear 2 - 1.00 (Direct Drive)
• Gear 3 - 1.33 (+33.3%)