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Load image into Gallery viewer, SRAM-S300-Disc-Brake-Disc-Brake-&-Lever-Road-Bike-DBKL0542-MTB-Flat-Bar-Disc-Brakes
Load image into Gallery viewer, SRAM S300 Disc Brake and Lever - Left/Front , Flat Mount, 2-Piston, 20mm Offset, Black, A1
Load image into Gallery viewer, SRAM S300 Disc Brake and Lever - Left/Front , Flat Mount, 2-Piston, 20mm Offset, Black, A1
Load image into Gallery viewer, SRAM S300 Disc Brake and Lever - Left/Front , Flat Mount, 2-Piston, 20mm Offset, Black, A1
Load image into Gallery viewer, SRAM S300 Disc Brake and Lever - Left/Front , Flat Mount, 2-Piston, 20mm Offset, Black, A1

SKU: DBKL0542

SRAM S300 Flat Mount Disc Brake and Lever - Left/Front, Hydraulic 2-Piston, Light Aluminum Construction, 20mm Offset, Black, Compatible with Flat Bar Frames and DOT Fluid

Regular price $82.73
$85.00 Sale price $82.73 Regular price
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Description
Specifications

Upgrade your bike's stopping power with the SRAM S300 Disc Brake and Lever - Left/Front, Flat Mount, 2-Piston, Black, A1. Engineered for precision, performance, and durability, this high-quality hydraulic disc brake system is designed to provide reliable braking in all riding conditions, making it an essential component for mountain biking, gravel riding, or any performance cycling application.

Materials & Construction

Built with a lightweight yet robust aluminum lever blade, the SRAM S300 lever incorporates proven technologies from SRAM's esteemed Guide series, including advanced piston design, seals, and reservoir system. The 2-piston caliper features a durable 2-piece aluminum body coupled with high-performance phenolic plastic pistons, ensuring consistent braking clarity and longevity.

Performance & Engineering

Designed for optimal modulation, the S300 offers smooth, predictable braking with a proven bite point that inspires confidence during descents and technical climbs. Its flat mount caliper with a 20mm offset is compatible with modern flat mount frames, reducing weight without compromising strength. The adjustable reach ensures a perfect fit for different hand sizes, enhancing rider comfort and control.

Components & Technology

This system includes a hydraulic hose with a 950mm length, pre-filled with DOT hydraulic fluid for reliable, maintenance-friendly performance. The organic brake pads deliver excellent modulation and power; for custom setups, rotor sold separately. The lever's lightweight design, combined with a tooled reach adjustment, ensures quick customization for a personalized stopping experience.

Style & Use Case

Sleek black finish complements any bike aesthetic, from aggressive mountain rigs to versatile gravel bikes. Ideal for riders seeking high performance, consistent braking, and ease of installation, the SRAM S300 is perfect for trail riding, XC racing, or everyday riding.

Innovative & Differentiating Features

- Flat mount compatibility with 20mm offset caliper for streamlined setup

- Same proven lever technology as SRAM Guide series

- Organic pad compound for smooth, progressive braking

- Adjustable reach for customized fit

- Includes hydraulic hose and steel-backed organic pads (rotor sold separately)

Enhance your cycling experience with the SRAM S300 Disc Brake and Lever - engineered for performance, designed for confidence.

  • Enhanced stopping power with a lightweight aluminum lever blade featuring a tactile, ergonomic design for comfortable control on long rides.
  • Built with high-performance phenolic plastic pistons and a two-piston aluminum caliper, ensuring consistent modulation, powerful braking, and durability in demanding cycling conditions.
  • Designed for flat mount frames with a 20mm offset and compatible with flat bars, offering seamless integration and a sleek, modern look for various mountain, gravel, or commuter bikes.
  • Advanced hydraulic technology with DOT fluid ensures smooth, responsive braking performance with minimal maintenance, complemented by an adjustable reach for precise fit and control.
  • Constructed with reliable materials and proven SRAM Guide engineering, the S300 disc brake delivers confident stopping power in all weather conditions with organic brake pads included for quiet, dust-free operation.
Adjustable ReachYes
Brake Caliper TypeFlat Mount
Brake Lever ActuationHydraulic
Brake Lever UseLeft
ColorBlack
Hydraulic Fluid TypeDOT
Hydraulic Hose Length950
Pad CompoundOrganic
Rotor IncludedNo
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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


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These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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