Sturmey Archer SX-RK3 Rear Disc Hub (Silver) (Internal 3 Speed) (6-Bolt) (13/32" x 170mm) (36H) (Includes Twist Shifter)

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Sturmey Archer SX-RK3 Rear Disc Hub (Silver) (Internal 3 Speed) (6-Bolt) (13/32" x 170mm) (36H)
Part#: HKS3KP.SAXS.S00.BX
Sturmey Archer Bike Hubs
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This is a Sturmey Archer SX-RK3 3-speed 170mm Disc Rear Hub.

Features:

  • Classic 3-speed internal gear hub with gear ratio of 177%
  • Gear steps of 33% and 33%
  • 6061 Aluminum hub shell
  • 36 spoke holes
  • Compatible with 13 to 24 teeth sprocket
  • Includes 3-spline 18 tooth cog and a TSS33 twist shifter

Specifications:
Position: Rear
Brake Type: Disc Brake (6-Bolt)
Axle Type: Solid Axle
Hub Spacing: 13/32" x 170mm
Drive Type (Rear Hub): Internally Geared
Speeds: 3 Speed
Cog: 18T
Spoke Count: 36H
Spoke Type: J-Bend
Left Side Flange Diameter: 89.8mm
Right Side Flange Diameter: 89.8mm
Left Side Center to Flange: 43.5mm
Right Side Center to Flange: 52.1mm
Bearing Type: -
Color: Silver
Weight: 1400g

This product was added to our catalog on April 15, 2019

Dale Neil
Verified Owner
Tuesday, Jan 14 2025 (5 days ago)
Sturmey Archer SX-RK3 Rear Disc Hub (Silver) (Internal 3 Speed) (6-Bolt) (13/32" x 170mm) (36H)
This Fatbike Hub make my bikes much more reliable because I dont have to change the Main Chainring or rear cassette on my bikes every few months of them wearing out .
This is why I had ordered 6 of these hubs over the years because they are pretty much bullet proof and I had converted ALL of my bikes to this HUB because of the reliability and durability of it to be able to handle pretty much anything I throw at it .

I have on all of my bike this hub with the BBSHD mid drive motors which can produce up to 1500 watts of power and 160 nm of torque and this hub handles it with NO issues .

The reason I ordered a NEW bub because I learned something new is that when you tighten the left (GEAR SIDE) axle nut HAS to be tightened to a particular nm of torque because I learned the hard way and Tightened them to much NOT using a Proper TORQUE WRENCH so I SNAPPED a couple AXLES and those aren't cheap to replace almost HALF the cost of a NEW hub

When I did have a problem with one of my hubs the company that bought Sturmey Archer basically would NOT warranty the HUB, BUT it was very OBVIOUS it had a defect in the making of this particular hub.

This is where MIKE of Performance Bicycle stepped in and Helped me out and Did a WARRANTY on the hub and sent me a NEW hub at NO cost to me . I did a few videos on this hub (at pharrohku youtube) and posted the problems I have had over the years and the actual problem I had with this particular HUB that was manufactured with a defective part in it and what DAMAGE had occurred with the HUB with a full break down of the hub.
Daniel Millton
Verified Owner
Tuesday, Jun 13 2023 (about a year ago)
Sturmey Archer SX-RK3 Rear Disc Hub (Silver) (Internal 3 Speed) (6-Bolt) (13/32" x 170mm) (36H)
This is my second fat tyre S-A 3 speed hub, I am using on a Bafang mid-mount motor. It is strong and takes the slop out of the chain by removing the derailer. I have used the first hub for over a year without fault.
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