Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

The Speed Merchant

Products

Products

The Speed Merchant

39MM PRELOAD FORK ADJUSTERS-BLACK ANODIZED

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$159.95

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

You might also like

The Speed Merchant

49MM PRE LOAD FORK ADJUSTERS-MACHINE FINISH

(1)

The Speed Merchant

SPEED SHIFTER PEG GOLD ANODIZE

FXR Swingarm Bearing Conversion Kits

Bare Knuckle Performance

FXR Swingarm Bearing Conversion Kit 3.0

(3)

The Speed Merchant

2018 Softail Skid Plate: Brushed

The Speed Merchant

SM POINTS COVER

The Speed Merchant

Solid Riser Bushings - Black: Bagger / 2018 Softail

The Speed Merchant

Todd's Cycle Choke Cable Relocation Bracket for Mikuni Stainless

Harley Sportster axle adjuster kit

Bare Knuckle Performance

2005- Later XL Sportster Axle Adjuster Kit

The Speed Merchant

SOLID RISER BUSHING - BLACK

Ramjet Racing

SPEED MERCHANT PRELOAD ADJUSTERS (39MM & 49MM)

The Speed Merchant

1" Speedbar Black

Diamond Lane Cycles

GP Suspension, 20mm Cartridge Kit for HD 39MM Forks 34 INCH FORKS (2" OVER FOR FXR, FXDL, DYNA (ALL PRE 2006), XL MODELS (87-05), AND FXDX (99)

The Speed Merchant

Joker Machine Bridge 1 1/2" Pullback 2 1/2" Risers Black

The Speed Merchant

THE SPEED MERCHANT / SADDELEMEN SEAT FOR YOUR 2009-UP HD BAGGER

GP Suspension

GP Suspension, 20mm Cartridge Kit for HD 39MM Forks 34 INCH FORKS (2" OVER FOR FXR, FXDL, DYNA (ALL PRE 2006), XL MODELS (87-05), AND FXDX (99)

(1)

The Speed Merchant

49MM PRE LOAD FORK ADJUSTERS- GOLD

The Speed Merchant

SPEED PEGS - FOR ALL HD MODELS GOLD ANODIZED

39mm Narrow Glide Stainless Steel Front Axle Kit

Bare Knuckle Performance

39mm Narrow Glide Stainless Steel Front Axle Kit

(3)

The Speed Merchant

The Speed Merchant 2018-Up HD M8 Softail and FL Mid Controls

The Speed Merchant

Sportster Sprocket Cover-Black

(1)

The Speed Merchant

Alloy Art Collapsible Shift Peg - Black

The Speed Merchant

TRIUMPH SPROCKET COVER-BRUSHED

Bare Knuckle Performance

1991-2005 Dyna Axle Adjuster Plates & Complete Kits

(3)

The Speed Merchant

INVERTED SPEED TRIPLE TREES BLACK ANODIZE

Diamond Lane Cycles

The Speed Merchant 49MM PRE LOAD FORK ADJUSTERS

The Speed Merchant

OHLINS BRAKE BRACKET-Black Anodized

The Speed Merchant

Solid Riser Bushings - Machine Finish: Bagger / 2018 Softail

39MM FORK CAP KIT

Bare Knuckle Performance

39mm & 49mm Fork Cap Kit & Extension Kits

(2)

The Speed Merchant

K-Tech Suspension Razor IV Rear Shocks

10% off

Lowbrow Customs

Speedpegs Foot Pegs - Black

(1)

The Speed Merchant

The Speed Merchant / Saddlemen HD Sportster Long Nose Seat

The Speed Merchant

11.5" RADIAL BRAKE CALIPER MOUNTING BRACKET BLACK DUAL DISC

Bare Knuckle Performance

1982-1999 FXR Axle Adjuster Plates & Complete Kits

(8)

The Speed Merchant

13″ RADIAL BRAKE CALIPER MOUNTING BRACKET BLACK (Dual Disc)

The Speed Merchant

49mm SPEED TRIPLE TREES – POLISHED

The Speed Merchant

SPORTSTER SKID PLATE BLACK

Speed Merchant - 39mm Fork Preload Adjusters - Raw

Throttle Addiction

Speed Merchant - 39mm Fork Preload Adjusters - Raw

Bare Knuckle Performance

1979-04 XL Sportster & 4 Speed Shovelhead Axle Adjuster Plates & Complete Kits

(2)

10% off

Lowbrow Customs

39 mm Fork Preload Adjuster - Black Anodized Finish

Speed Merchant - Solid Riser Bushing Kit For Harley - Black

Throttle Addiction

Speed Merchant - Solid Riser Bushing Kit For Harley - Black

Speed Merchant - Solid Riser Bushing Kit For Harley - Machined

Throttle Addiction

Speed Merchant - Solid Riser Bushing Kit For Harley - Machined

The Speed Merchant

CRUISER PEGS - FOR ALL HD MODELS GOLD ANODIZE

Bare Knuckle Performance

FXLRS, FXLRST, FLHCS, FLSB, FXFBS, FXBRS Front Axle

(1)

The Speed Merchant

Alloy Art Next Gen Front Motor Plate

GP Suspension

GP Suspension, 20mm Cartridge Kit for HD 39MM Forks 32 INCH FORKS (FXR, FXDL, DYNA (ALL PRE-2006 MODELS), FXDX (99), AND XL MODELS (87-05)

The Speed Merchant

39MM SPEED TRIPLE TREES - BLACK ANODIZE

The Speed Merchant

13" RADIAL BRAKE CALIPER MOUNTING BRACKET BLACK (LEFT/ SINGLE DISC)

Photo of rear Dyna axle kit with shim

Bare Knuckle Performance

1991-2005 Dyna Stainless Steel Rear Axle Kit

The Speed Merchant

TRIUMPH SPROCKET COVER-POLISHED

The Speed Merchant

Solid Riser Bushings

10% off

Lowbrow Customs

39mm Speed Triple Trees - Black - 1991-05 Harley-Davidson FXD 1988-20 XL 1988-00 FXR

The Speed Merchant

91-03' Sportster Sprocket Cover - Ribbed

(2)

The Speed Merchant

Alloy Art Collapsible Shift Peg - Gold

10% off

Lowbrow Customs

39 mm Fork Preload Adjuster - Raw Machined Finish

The Speed Merchant

Ohlin Universal RWU 43mm forks

The Speed Merchant

SPEED GRIPS -Gold

The Speed Merchant

OHLINS STX36 TWIN BLACK SPRING REAR SHOCKS

9 FINGER FABRICATION SHIFTER LINKAGE

Bare Knuckle Performance

9 Finger Fabrication Shifter Linkage

(1)

The Speed Merchant

Joker Machine Bridge 1 1/2" Pullback 2 1/2" Risers Chrome

Harley 39 mm Fork Tube Extensions - 2"

Throttle Addiction

Harley 39 mm Fork Tube Extensions - 2"

(2)

The Speed Merchant

11.5" DUAL RADIAL BRAKE CALIPER MOUNT BRACKET POLISHED

The Speed Merchant

The Speed Merchant 2018-up HD Softail Swingarm

The Speed Merchant

13" RADIAL BRAKE CALIPER MOUNTING BRACKET POLISHED (LEFT/ SINGLE DISC)

The Speed Merchant

The Speed Merchant / Saddlemen HD Dyna Seat (06-up)

The Speed Merchant

Alloy Art Collapsible Shift Peg - Polished

Never Say Die Cycles

Never Say Die Fork Upgrade Package

(1)

Clinch Fork Brace

Bare Knuckle Performance

The Clinch Fork Brace

(4)

The Speed Merchant

'04-15' Sportster Sprocket Cover - Ribbed

10% off

Lowbrow Customs

39 mm Fork Preload Adjuster - Gold Finish

The Speed Merchant

INVERTED SPEED TRIPLE TREES POLISHED

The Speed Merchant

STANDARD SOLID RISER BUSHING - Black

(1)

The Speed Merchant

Joker Machine Dual 1 1/2" Pullback 2 1/2" Risers Black

ANTIHERO 11.8 INCH FRONT BRAKE ROTOR 08-13 TOURING

Bare Knuckle Performance

Antihero 11.8 Inch Front Brake Rotor 08-13 Touring

The Speed Merchant

Joker Machine Dual 1 1/2" Pullback 2 1/2" Risers Chrome

The Speed Merchant

11.5" RADIAL BRAKE CALIPER MOUNTING BRACKET BLACK (LEFT/ SINGLE DISC)

2018/later Softail Swingarm Pivot Shaft

Bare Knuckle Performance

Swingarm Pivot Shafts

(1)

The Speed Merchant

11.5" RADIAL BRAKE CALIPER MOUNTING BRACKET POLISHED (LEFT/ SINGLE DISC)

The Speed Merchant

TRIUMPH SPROCKET COVER-RAW

The Speed Merchant

STANDARD SOLID RISER BUSHING - Machine Finish

The Speed Merchant

Todd's Cycle Choke Cable Relocation Bracket CV Stainless

photo of super narrow axle kit for 2000 - later 39 mm sliders

Bare Knuckle Performance

Super Narrow Axle Kit for 2000-Later 39mm Sliders

The Speed Merchant

'91-'15 Sportster Cam Cover - Ribbed

10% off

Lowbrow Customs

49 mm Fork Preload Adjuster - Gold Finish

(2)

The Speed Merchant

39MM MID GLIDE SPEED TRIPLE TREES - Black Anodize

The Speed Merchant

1" Speedbar Chrome

The Speed Merchant

Alloy Art Mid Control Linkage

Triple Tree Suspension Kit for 49mm Narrow glide

Bare Knuckle Performance

49mm Narrow Glide Front Suspension Kit

Lowbrow Customs

Replacement Lower 39mm Damper Springs 1987-Up Harley-Davidson XL 1991-2005 FXD 1987-1994 FXR OEM# 45374-87

(1)

CNC-machined 6061 aluminum construction ensures durability and precise fit
Up to 7/8 inch preload adjustment allows for fine-tuning front suspension performance
Direct replacement for stock fork caps enables easy installation without spacers
Available in multiple finishes including black anodized and gold for style options
Includes O-rings for a secure, leak-resistant fit

Summarized by Shop

The Speed Merchant is proud to produce THE ORIGINAL
39mm Preload Fork Adjusters in black anodized finish
Fits: 87-94 FXR, 91-05 FXDL and FXD, and 88-up XL models. Will not fit, 1200S, and 00-05 FXDX/FXDXT
The Speed Merchant has manufactured our 39mm Fork Adjusters for speed and beauty.
CNC machined out from 6061 aluminium with precise cr

Adjustment Range: 7/8 inch (22 mm)
Material: 6061 aluminum
Fitment: 87-94 FXR, 91-05 FXDL, Fxd, 88 UP XL (not compatible with 1200s, 00-05 Fxdx, Fxdxt)
Finish Options: Black anodized, gold, raw
Includes: O-rings
Manufacturer Type: Aftermarket

Summarized by Shop

5.0

1 rating

5

4

3

2

1

Great quality, solid product. Just what i needed for my custom fxr front end.

Quinn · December 26, 2025

The Speed Merchant

5 (13)