SHIMANO NEXUS Internal Geared Hub Roller Brake 3-speed

SG-3R40

NEXUS_INTER3_m

SG-3R40

The SHIMANO NEXUS SG-3R40 hub offers a reliable 3-speed mechanism, a SILENT CLUTCH, and roller brake.

  • FEATURE
    • Gear shifting action is independent of pedaling. You can shift gears anytime, while standing still, pedaling or coasting
    • Smoothes out the shifting action while pedaling
    BENEFIT
    • Internal Gear Shifting
    • Shift Modulator Mechanism
    • Gear Change Support Mechanism
    • Weight: 885g
    • Color options: Black, Silver, White

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SG-3R40
SERIES SHIMANO NEXUS INTER-3
Color Silver, -, -
Average weight 885 g
   
Bike Type_Mount Type INTER-M
Bike Type_Recommnended Model BR-C3010, BR-C3000, BR-IM31 (specification for Japan)
Speeds 3
Gear ratio_Total 186%
Gear ratio_1 0.733
Gear ratio_2 1.000
Gear ratio_3 1.360
Shifting power modulator
Spoke hole_28H
Spoke hole_32H
Spoke hole_36H
Axle length (mm)_182
Axle length (mm)_184
Axle length (mm)_Others 170/177/189/192
Shifting Structure Low Normal
Axle Length 170 mm, 177 mm, 182 mm, 184 mm, 189 mm, 192
Driving efficiency Standard
Flange diameter (mm) 84
Flange width (mm)_Left 2.3
Flange width (mm)_Right 2.3
Gear change support mechanism
O.L.D. (mm) 120/127/130
Offset (mm) 0.8(120mm Axle) / 2.5
P.C.D. (mm) 74
Spoke Hole 28H, 32H, 36H
Spoke size #13/#14
Flange distance (mm) 53

SERIES LINE-UP

  • Internal Geared Hub Parts SM-3C40
    No Image
  • Internal Geared Hub SG-3R75-A
  • Internal Geared Hub SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed
  • Internal Geared Hub SHIMANO NEXUS Internal Geared Hub Disc Brake 3-speed