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.

  • 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
Gear ratio_3 1.364
Shifting power modulator
Shifting Structure Low Normal
Axle Length 170 mm, 177 mm, 182 mm, 184 mm, 189 mm, 192 mm
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

  • Head Parts SHIMANO NEXUS Headset Lock
  • Internal Geared Hub SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed
  • Internal Geared Hub SHIMANO NEXUS Internal Geared Hub Disc Brake 3-speed
  • Shifting Lever SHIMANO NEXUS Shift Lever Window Display 3-speed