Drag Specialties

RBF 700 Factory Line Brake Fluid - 500 ml

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Total: $42.86
Sale price $42.86 Regular price

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Description

LV Synthetic Brake Fluid – Low Viscosity High-Performance Formula (500 mL)

Advanced Brake Fluid for Modern ESP, ABS & ASR Systems

The DOT 4 LV (Low Viscosity) Synthetic Brake Fluid is engineered for riders who demand precision braking and responsive control across a wide range of conditions. Formulated for modern braking systems including ESP, ABS, and ASR, this 100% synthetic fluid provides exceptional flow and stability even in cold weather while maintaining maximum resistance under high heat. With a dry boiling point of 336°C (637°F) and a wet boiling point of 205°C (401°F), it ensures fade-free performance in both aggressive and endurance riding.

Key Features

  • Mixable with DOT 3, DOT 4, and DOT 5.1 (non-silicone) brake fluids

  • Low viscosity formula optimized for modern braking systems (ABS / ESP / ASR)

  • High dry boiling point (336°C / 637°F) for extreme performance and fade resistance

  • Wet boiling point (205°C / 401°F) maintains braking efficiency over time

  • Compatible with all standard brake system seals — neutral and safe for rubber components

  • Ideal for both conventional steel discs and clutch actuator systems

  • Reduces air entrance for improved aerodynamic cooling and braking performance

  • Do not mix with silicone-based (DOT 5) or mineral-based (LHM) fluids

  • Store tightly sealed to prevent moisture absorption

Performance & Fitment

The DOT 4 LV Brake Fluid delivers outstanding braking consistency and precision feel for Harley-Davidson, UTV, off-road, and adventure touring riders. Its low-viscosity synthetic formula ensures quick response in modern electronic brake systems while providing the durability needed for heavy V-Twin touring and racing applications. Trusted for both street and extreme off-road use, it’s an essential upgrade for riders running Nowaskey Performance or Hofmann Designs setups who demand maximum stopping power and system protection.

Container Size: 16.9 US fl oz / 500 mL
Type: DOT 4 LV (Low Viscosity) Brake Fluid
Base Material: Synthetic
Boiling Point (Dry/Wet): 336°C / 637°F | 205°C / 401°F
Units: Each
Weight: 0.65 lbs
Dimensions (L x W x H): 7" x 4" x 2"

Fitment
  • Fits Harley-Davidson Softail Models - 1984 to 2017
  • Fits Harley-Davidson Touring Models
  • Fits Harley-Davidson Dyna Models - 1991 to 2017
  • Fits Harley-Davidson Sportster Models
  • Fits Harley-Davidson FXR Models - 1982 to 1994
  • Fits Harley-Davidson Trike Models - 2009 to Present

Not sure it fits your bike? Call 715-235-3659 or chat with us on the site and a tech can confirm it with you.

Specifications & Installation
BrandDrag Specialties
Part number107240
Product typeBrake Fluid
Container Size16.9 US fl oz / 500 mL
TypeDOT 4 LV (Low Viscosity) Brake Fluid
Base MaterialSynthetic
Boiling Point (Dry/Wet)336°C / 637°F | 205°C / 401°F
UnitsEach
Weight0.65 lbs
Dimensions (L x W x H)7" x 4" x 2"

Want it installed right? Book the Nowaskey Speed Shop or call 715-235-3659.

RBF 700 Factory Line Brake Fluid - 500 ml

$42.86

Questions Riders Ask

Will this fit my bike?

This part is listed for:

  • Fits Harley-Davidson Softail Models - 1984 to 2017
  • Fits Harley-Davidson Touring Models
  • Fits Harley-Davidson Dyna Models - 1991 to 2017
  • Fits Harley-Davidson Sportster Models

See the Fitment tab for the full list.

Save your bike with Shop by Bike and we check it for you. Not sure? Call or chat with us on the site and a tech can confirm it with you.

What's the part number?

Manufacturer part number 3703-0073. Our item number is 107240.

Can I install it myself?

Most riders with basic tools and a service manual can. The Specifications & Installation tab lists difficulty, time and guides where we have them. Prefer a pro install? Book a Speed Shop slot and call to check current availability.

Who do I talk to after I buy?

Our techs. Call 715-235-3659 or chat with us on the site and you will reach the people who know these parts.

Still have a question? Call 715-235-3659 or chat with us on the site.

4.8 Star Rating★★★★★From 489 Reviews
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Tested InKing of the Baggers
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Premium Performance Parts

Race-proven suspension, front ends and brakes we stand behind

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Track-proven Performance

Nowaskey Extreme Performance is a Harley-Davidson suspension and performance shop in Menomonie, Wisconsin. We design our own shocks, fork cartridges and front-end packages, test them in King of the Baggers racing, and back Nowaskey-brand products with a lifetime warranty.

Every setup is matched to your bike, your weight and the way you ride.

20+ Years Experience
KOTB & Race Tested
4.8★ 489 Reviews
Lifetime Warranty