4 Speed

X-RK4

4 Speed Disc Brake Rear Hub

Features

• 4-Speed internal gear hub with gear ratio of 210%
• Gear steps of 28%, 28% and 28% 
• Rotary gear selector without protrusions outside the frame
• Direct drive in 1st gear allows use of smaller chainwheels
• 6061 Aluminium hub shell 
• Available with 28, 32 or 36 spoke holes
• Compatible with 13 to 24 teeth sprocket
• Anodised alloy finish
• Weight - 1270g

Gear Ratio
• Overall Range - 210%
• Gear 1 - 100% (Direct Drive)
• Gear 2 - 128% (Gear 1 + 28%)
• Gear 3 - 164% (Gear 2 + 28%)
• Gear 4 - 210% (Gear 3 + 28%)


Specification

SPECIFICATIONS - IGH S40.pdf (289 kB)

Service

MANUAL - S40.pdf (449 kB)