SHIMANO NEXUS Internal Geared Hub Roller Brake 3-speed

SG-3R40

NEXUS_INTER3_m

SG-3R40

SHIMANO NEXUS - Internal Geared Rear Hub - Roller Brake - O.L.D 120.4/126.8 mm - 3-speed

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

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

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SG-3R40
SERIES NEXUS INTER-3
Color Silver
Average weight 885
   
Bike Type_Mount Type INTER-M
Bike Type_Recommnended Model BR-C3010, BR-C3000
Speeds 3
Gear ratio_Total 186%
Gear ratio_1 0.733
Gear ratio_2 1
Gear ratio_3 1.364
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
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 size #13/#14
Flange distance (mm) 53.5

SERIES LINE-UP

  • Bottom Bracket Square Type Bottom Bracket
  • Bottom Bracket Square Type Bottom Bracket
  • Bottom Bracket Square Type Bottom Bracket
  • Shifting Lever SHIMANO NEXUS RAPIDFIRE PLUS Shifting Lever (3-speed)