Authorised Dealer
1 / 2
Authorised Dealer
918231 Retaining rings, fork stem
View fitment OEM: 45611-86
£10.80 SAVE £1.30 (12%)
£9.50
incl. VAT
Available to Order
Stock updated: today at 4:31 am JOIN IRON STABLE — SAVE 12%
Chapter members save 12% · Sign in for member pricing
Estimated delivery: 3–15 working days
Part #: 918231 | Pack: 10
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- MCS
- Part Number
- 918231
- OEM Reference
- 45611-86
- Pack Quantity
- Pack of 10
- Category
- Retaining Rings
- VAT Rate
- 20%
About This Product
MCS fork stem retaining ring. Direct replacement for OEM 45611-86. Sits on the fork stem just below the lower triple tree. Sold as a pack of 10. Fits 1987–1994 FXR, 1991–2017 Dyna, 1987–2025 Softail, late 1988–2011 Springer, 1988–2022 Sportster, XR1200, early V-Rod, and 2020 LiveWire. Handy to have in the drawer for triple tree jobs.
Manufacturer part number: 918231.
Fitment
175 models87-94 FXR; 91-17 Dyna; 87-25 Softail; L88-11 FXSTS; FLSTS Springers; 88-22 XL Sportster; 08-12 XR1200; 02-08 V-Rod; 2020 LiveWire
CVO/Custom 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1999 | CVO Dyna Super Glide FXR2 |
| Harley-Davidson | 2009 | CVO Fat Bob (HDI) FXDFSE |
| Harley-Davidson | 2005 | CVO Fat Boy FLSTFSE |
| Harley-Davidson | 2006 | CVO Fat Boy FLSTFSE2 |
| Harley-Davidson | 2013–2014 | CVO Softail Breakout FXSBSE |
| Harley-Davidson | 2004 | CVO Softail Deuce FXSTDSE2 |
| Harley-Davidson | 2006 | CVO V-Rod Destroyer VRXSE |
| Harley-Davidson | 2005 | CVO V-Rod VRSCSE |
| Harley-Davidson | 2006 | CVO V-Rod VRSCSE2 |
Dyna 28 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2006 | Dyna 35th Anv Super Glide FXD35 |
| Harley-Davidson | 2008–2017 | Dyna Fat Bob FXDF |
| Harley-Davidson | 2012–2017 | Dyna Fat Bob FXDF 103 |
| Harley-Davidson | 1993–1999 | Dyna Glide Convertible FXDS-CONV |
| Harley-Davidson | 1993–2017 | Dyna Low Rider FXDL |
| Harley-Davidson | 2015–2017 | Dyna Low Rider FXDL 103 |
| Harley-Davidson | 2005 | Dyna Low Rider FXDLI |
| Harley-Davidson | 2016–2017 | Dyna Low Rider S FXDLS |
| Harley-Davidson | 2007–2017 | Dyna Street Bob FXDB |
| Harley-Davidson | 2014–2016 | Dyna Street Bob FXDB 103 |
| Harley-Davidson | 2014 | Dyna Street Bob FXDBB 103 |
| Harley-Davidson | 2006 | Dyna Street Bob FXDBI |
| Harley-Davidson | 2014–2016 | Dyna Street Bob FXDBP 103 |
| Harley-Davidson | 2016 | Dyna Street Bob Limited FXDBC 103 |
| Harley-Davidson | 1994–1998 | Dyna Super Glide Convertible FXDS |
| Harley-Davidson | 2005–2014 | Dyna Super Glide Custom FXDC |
| Harley-Davidson | 1996–2010 | Dyna Super Glide FXD |
| Harley-Davidson | 2004–2006 | Dyna Super Glide FXDI |
| Harley-Davidson | 1999–2005 | Dyna Super Glide Sport FXDX |
| Harley-Davidson | 2005 | Dyna Super Glide Sport FXDXI |
| Harley-Davidson | 2001–2003 | Dyna Super Glide T-Sport FXDXT |
| Harley-Davidson | 2016 | Dyna Switchback FLD |
| Harley-Davidson | 2012–2016 | Dyna Switchback FLD 103 |
| Harley-Davidson | 1993–2016 | Dyna Wide Glide FXDWG |
| Harley-Davidson | 2012–2017 | Dyna Wide Glide FXDWG 103 |
| Harley-Davidson | 2004–2005 | Dyna Wide Glide FXDWGI |
| Harley-Davidson | 2017 | Low Rider FXDL 103 |
| Harley-Davidson | 1992 | Super Glide Custom FXDC |
FXR 13 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1987–1989 | FXR Low Rider FXLR |
| Harley-Davidson | 1988–1993 | FXR Sport FXRS-SP |
| Harley-Davidson | 2000 | FXR Super Glide FXR3 |
| Harley-Davidson | 1991–1992 | Low Rider Custom FXLR |
| Harley-Davidson | 1991–1993 | Low Rider Sport Edition FXRS-SP |
| Harley-Davidson | 1984–1990 | Police Low Rider FXRP |
| Harley-Davidson | 1993 | Super Glide Convertible FXRS |
| Harley-Davidson | 1993–1994 | Super Glide FXR |
| Harley-Davidson | 1993–1994 | Super Glide Low Rider FXLR |
| Harley-Davidson | 1991–1994 | Super Glide Police (Fairing) FXRP |
| Harley-Davidson | 1991 | Super Glide Police (Frg/Wnd) FXRP-FRG |
| Harley-Davidson | 1991 | Super Glide Police (Frg/Wnd) FXRP-WND |
| Harley-Davidson | 1991–1994 | Super Glide Police (Windshield) FXRP |
Police 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2002–2004 | Dyna Defender FXDP |
Softail 77 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2011–2012 | Blackline FXS |
| Harley-Davidson | 2012–2013 | Blackline FXS 103 |
| Harley-Davidson | 2025–2026 | Breakout FXBR |
| Harley-Davidson | 2018 | Breakout 114 Anniversary FXBRS |
| Harley-Davidson | 2019–2022 | Breakout 114 FXBRS |
| Harley-Davidson | 2018–2024 | Breakout FXBR |
| Harley-Davidson | 2017 | Breakout FXSB |
| Harley-Davidson | 2008–2011 | Cross Bones FLSTSB |
| Harley-Davidson | 2019–2020 | Deluxe FLDE |
| Harley-Davidson | 2017 | Deluxe FLSTN |
| Harley-Davidson | 2019 | FXDR 114 FXDRS |
| Harley-Davidson | 2019–2024 | Fat Bob 114 FXFBS |
| Harley-Davidson | 2018–2020 | Fat Bob FXFB |
| Harley-Davidson | 2025–2026 | Fat Boy FLFB |
| Harley-Davidson | 2018 | Fat Boy 114 Anniversary FLFBS |
| Harley-Davidson | 2020 | Fat Boy 114 Anniversary FLFBSANV |
| Harley-Davidson | 2018–2024 | Fat Boy 114 FLFBS |
| Harley-Davidson | 2023 | Fat Boy Anniversary FLFBSANV |
| Harley-Davidson | 2018–2020 | Fat Boy FLFB |
| Harley-Davidson | 1991–2017 | Fat Boy FLSTF |
| Harley-Davidson | 2012–2015 | Fat Boy FLSTF 103 |
| Harley-Davidson | 2001–2005 | Fat Boy FLSTFI |
| Harley-Davidson | 2013 | Fat Boy Lo Anv FLSTFB 103 |
| Harley-Davidson | 2010–2017 | Fat Boy Lo FLSTFB |
| Harley-Davidson | 2012–2015 | Fat Boy Lo FLSTFB 103 |
| Harley-Davidson | 2016–2017 | Fat Boy S FLSTFBS |
| Harley-Davidson | 2025–2026 | Heritage Classic FLHC |
| Harley-Davidson | 2019–2023 | Heritage Classic 114 FLHCS |
| Harley-Davidson | 2023 | Heritage Classic Anniversary FLHCSANV |
| Harley-Davidson | 2018–2020 | Heritage Classic FLHC |
| Harley-Davidson | 2013 | Heritage Softail Classic Anv FLSTC |
| Harley-Davidson | 1991–2017 | Heritage Softail Classic FLSTC |
| Harley-Davidson | 2012–2015 | Heritage Softail Classic FLSTC 103 |
| Harley-Davidson | 2001–2006 | Heritage Softail Classic FLSTCI |
| Harley-Davidson | 2006–2010 | Heritage Softail FLST |
| Harley-Davidson | 2006 | Heritage Softail FLSTI |
| Harley-Davidson | 1993–1996 | Heritage Softail Nostalgia FLSTN |
| Harley-Davidson | 2022 | Low Rider El Diablo FXRST |
| Harley-Davidson | 2019–2020 | Low Rider FXLR |
| Harley-Davidson | 2025–2026 | Low Rider S FXLRS |
| Harley-Davidson | 2020–2024 | Low Rider S FXLRS |
| Harley-Davidson | 2025–2026 | Low Rider ST FXLRST |
| Harley-Davidson | 2022–2024 | Low Rider ST FXLRST |
| Harley-Davidson | 1999–2009 | Night Train FXSTB |
| Harley-Davidson | 2001–2006 | Night Train FXSTBI |
| Harley-Davidson | 2008–2010 | Rocker C FXCWC |
| Harley-Davidson | 2008–2009 | Rocker FXCW |
| Harley-Davidson | 2017 | Slim FLS |
| Harley-Davidson | 2018–2021 | Slim FLSL |
| Harley-Davidson | 2017 | Slim S FLSS |
| Harley-Davidson | 2013–2016 | Softail Breakout FXSB |
| Harley-Davidson | 2013–2015 | Softail Breakout FXSB 103 |
| Harley-Davidson | 1994–2010 | Softail Custom FXSTC |
| Harley-Davidson | 2005–2016 | Softail Deluxe FLSTN |
| Harley-Davidson | 2012–2015 | Softail Deluxe FLSTN 103 |
| Harley-Davidson | 2005–2006 | Softail Deluxe FLSTNI |
| Harley-Davidson | 2000–2007 | Softail Deuce FXSTD |
| Harley-Davidson | 2001–2006 | Softail Deuce FXSTDI |
| Harley-Davidson | 1990 | Softail Fat Boy FLSTF |
| Harley-Davidson | 1987–1990 | Softail Heritage Classic FLSTC |
| Harley-Davidson | 1986–1990 | Softail Heritage FLST |
| Harley-Davidson | 2012–2016 | Softail Slim FLS |
| Harley-Davidson | 2012–2015 | Softail Slim FLS 103 |
| Harley-Davidson | 2019–2020 | Softail Slim FLSL |
| Harley-Davidson | 2016 | Softail Slim S FLSS |
| Harley-Davidson | 1988–1990 | Softail Springer FXSTS |
| Harley-Davidson | 1999–2024 | Softail Standard FXST |
| Harley-Davidson | 2001–2006 | Softail Standard FXSTI |
| Harley-Davidson | 2018–2024 | Sport Glide FLSB |
| Harley-Davidson | 2005–2007 | Springer Classic FLSTSC |
| Harley-Davidson | 2005 | Springer Classic FLSTSCI |
| Harley-Davidson | 1991–2003 | Springer Softail FXSTS |
| Harley-Davidson | 1995–1997 | Springer Softail FXSTSB |
| Harley-Davidson | 2001–2006 | Springer Softail FXSTSI |
| Harley-Davidson | 2025–2026 | Street Bob FXBB |
| Harley-Davidson | 2021–2024 | Street Bob 114 FXBBS |
| Harley-Davidson | 2018–2020 | Street Bob FXBB |
Sportster 38 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017 | 1200 Custom Limited B XL1200CB |
| Harley-Davidson | 2017–2020 | 1200 Custom XL1200C |
| Harley-Davidson | 2018–2020 | 1200 Roadster XL1200CX |
| Harley-Davidson | 2007 | 50th Anv Sportster XL50 |
| Harley-Davidson | 2011–2014 | 883 Roadster XL883R |
| Harley-Davidson | 2018 | Forty-Eight Anniversary XL1200X |
| Harley-Davidson | 2018–2020 | Forty-Eight Special XL1200XS |
| Harley-Davidson | 2011–2022 | Forty-Eight XL1200X |
| Harley-Davidson | 2018–2021 | Iron 1200 XL1200NS |
| Harley-Davidson | 2009–2022 | Iron 883 XL883N |
| Harley-Davidson | 2008–2012 | Nightster XL1200N |
| Harley-Davidson | 2016–2017 | Roadster XL1200CX |
| Harley-Davidson | 2013 | Seventy-Two XL1200V |
| Harley-Davidson | 2013 | Sportster 1200 Custom Anv XL1200C |
| Harley-Davidson | 2016 | Sportster 1200 Custom Limited A XL1200CA |
| Harley-Davidson | 2013–2015 | Sportster 1200 Custom Limited B XL1200CB |
| Harley-Davidson | 1996–2016 | Sportster 1200 Custom XL1200C |
| Harley-Davidson | 2011–2013 | Sportster 1200 Custom XL1200CP |
| Harley-Davidson | 2006–2011 | Sportster 1200 Low XL1200L |
| Harley-Davidson | 2005–2008 | Sportster 1200 Roadster XL1200R |
| Harley-Davidson | 1996–2003 | Sportster 1200 Sport XL1200S |
| Harley-Davidson | 1990–2003 | Sportster 1200 XL1200 |
| Harley-Davidson | 1988–1989 | Sportster 1200 XLH-1200 |
| Harley-Davidson | 1998–2010 | Sportster 883 Custom XL883C |
| Harley-Davidson | 1990–1994 | Sportster 883 Deluxe XL883DLX |
| Harley-Davidson | 1989 | Sportster 883 Deluxe XLH-883DLX |
| Harley-Davidson | 1990–2003 | Sportster 883 Hugger XL883HUG |
| Harley-Davidson | 1988–1989 | Sportster 883 Hugger XLH-883HUG |
| Harley-Davidson | 2010–2011 | Sportster 883 Low XL883L |
| Harley-Davidson | 1990–2009 | Sportster 883 XL883 |
| Harley-Davidson | 1989 | Sportster 883 XLH-883 |
| Harley-Davidson | 2002–2010 | Sportster 883R XL883R |
| Harley-Davidson | 2005–2009 | Sportster XL883 Low XL883L |
| Harley-Davidson | 2008–2010 | Sportster XR1200 |
| Harley-Davidson | 2010–2012 | Sportster XR1200X |
| Harley-Davidson | 2014–2020 | Superlow 1200T XL1200T |
| Harley-Davidson | 2016 | Superlow 883 XL883L |
| Harley-Davidson | 2012–2020 | Superlow XL883L |
VRSC 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2004–2006 | VRSCA V-Rod VRSCA |
| Harley-Davidson | 2008 | VRSCA V-Rod Wide Tire VRSCAW |
| Harley-Davidson | 2007 | VRSCAW V-Rod VRSCAW |
| Harley-Davidson | 2004–2005 | VRSCB V-Rod VRSCB |
| Harley-Davidson | 2006–2007 | VRSCD Night Rod VRSCD |
| Harley-Davidson | 2007 | VRSCDX Night Rod Special VRSCDX |
| Harley-Davidson | 2008 | VRSCDXA Night Rod Special W/Abs VRSCDXA |
| Harley-Davidson | 2006–2007 | VRSCR Street Rod VRSCR |
| Harley-Davidson | 2007 | VRSCX Screamin' Eagle V-Rod VRSCX |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
MCS
Retaining ring, mainshaft ball bearing
£12.69
£14.42
MCS
Transmission retaining rings, countershaft bearing
£12.78
£14.52
James Gaskets
Retaining rings. Oil pump drive shaft (outer)
£14.42
£16.20
James Gaskets
Retaining ring for fork seal
£12.50
£14.05
Jims
Retaining ring, main/countershaft bearing
£40.99
£46.06
MCS
Retaining rings, pinion/sprocket shaft bearing
£11.11
£12.62
MCS
Retaining rings, sprocket shaft bearing. Outer
£7.91
£8.99
MCS
Retaining ring, crankcase bearings
£15.88
£18.05
More from MCS
View all →
FLTR headlamp LED adapter harness
£14.19
£16.13
Transmission sprocket / pulley nut wrench
£42.71
£48.53
Motor mount w/coil mount. no ignition switch hole. Chrome
£26.78
£30.43
41-99 connecting rod roller retainer set
£69.73
£79.24
Throttle screw extension lever. Black
£10.60
£12.04
Detachable sissy bar side plates
£168.27
£191.22
Docking hardware kit
£61.35
£69.72
Docking hardware kit
£37.84
£43.00
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.