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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Sturmey Archer SX-RK3 3-sp 170mm disc hub, 36h - silverFatBike compatible, internal gear 3 speed freewheel hub for use with any IS 6 bolt disc brake 6061 aluminum hub shell with 13 32" slotted solid axle (215mm overall axle length) Gear ratio range of 177% (33% each step) Includes 3 spline 18 tooth cog and a TSS33 twist shifter Today's Stock Status Currently not available UPC: 4710944258288 EAN: 4710944246308 Manufacturer Part Number: HKS3K. PSSS. S00. BX UR6313 370912 131089 Q0 L45C04
- FatBike compatible, internal gear 3-speed freewheel hub for use with any IS 6-bolt disc brake- 6061 aluminum hub shell with 13/32" slotted solid axle (215mm overall axle length)
- Gear ratio range of 177% (33% each step)
- Includes 3-spline 18 tooth cog and a TSS33 twist shifter
Today's Stock Status
Currently not available
UPC: 4710944258288
EAN: 4710944246308
Manufacturer Part Number: HKS3K.PSSS.S00.BX
UR6313 370912
131089-Q0-L45C04
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.0 ★★★★★
Based on 841 reviews
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Product Reviews
★★★★★ 5
Nice quality
Had to return due to our mistake but the mechanic said it was good quality. Ordered the correct size and worked great.
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Reviewed in the United States on March 30, 2025
★★★★★ 5
Perfect fit
Worked great for a 1965 mercury thunderbolt 150hp
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Reviewed in the United States on June 3, 2025
★★★★★ 5
MerCruiser Replacement Parts
OEM quality MerCruiser Alpha 1 Gen1 replacement part. Everything you need and some things you don't because it's a universal kit that works for several models.
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Reviewed in the United States on July 19, 2025
★★★★★ 5
OEM is always the answer
No reason not to go OEM for this! Came with every possible gasket and seal I could need. Specifically for my Alpha One Gen 1 it took maybe 25-30 min to completely install.
While you’re there check the base plate for wear and the other surrounding items like your water tube. Rather keep the lower unit off for an extra day to get another part than a catastrophic failure.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
Husbands things
My husband bought this. I don’t know much about it but he has zero complaints. He bought it for a boat. He has fixed up 2 boats, sold one & we kept the other. So he apparently knows what to buy & how to use it.
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Reviewed in the United States on November 6, 2025