Shimano Nexus SG-C3000-7R Internally Geared Rear Roller Brake Hub Kit (Silver) (36H) (7 Speed) (130mm)

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Shimano Nexus SG-7R50 7-Speed Roller Brake Internally Geared Hubs

  • Includes 19t and 21t cog, 3 size chainstay clamps, 3 sets of non-turn washers, hub nuts and cassette joint
  • 130mm over locknut dimension, 182mm axle length
  • Nexus 7-speed hub gear range: 1st gear = 0.632, 2nd gear = 0.741, 3rd gear = 0.843, 4th gear = 0.989, 5th gear = 1.145, 6th gear = 1.335, 7th gear = 1.545
  • Non-turn washers for vertical dropouts not included (HU7793, HU7794)
  • Shifter and brake not included
  • Recommended gear ratio: 2.0-2.2 to 1
  • Not intended for off-road use as standing on the pedals, riding up steep hills or using an too low of a gear ratio may damage the pawls inside the hub
Cassette Body Type3 Prong Cog
Defined ColorSilver
Flange Diameter87 R, 87 L
Hub/Brake CompatibilityRoller Brake
Rear Axle3/8" Threaded x 130mm
Skewer IncludedNo
Drivetrain Speeds7
Bearing TypeLoose Ball
Spoke InterfaceJ-Bend