SRAM

SRAM Maven Ultimate B1

Name: SRAM Maven Ultimate B1
Brand: SRAM
SKU: 180913
Rating: 4.4 (1 reviews)

In Stock

SRAM's Maven Ultimate B1 is a top-tier 4-piston hydraulic disc brake offering class-leading 18mm piston power, refined Swinglink modulation, carbon lever blade and titanium hardware for gravity-ready stopping on trail and enduro bikes.

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Available Options

Option	Price	Availability
SRAM, Maven Ultimate B1, MTB Hydraulic Disc Brake, Front, Post mount, Silver	—	In Stock
SRAM, Maven Ultimate B1, MTB Hydraulic Disc Brake, Rear, Post mount, Silver	—	In Stock

Product Details

Overview & Technology

SRAM Maven Ultimate B1 packs modern hydraulic braking tech into a compact, serviceable package built for aggressive trail, enduro and e‑MTB use. The re-designed Swinglink architecture smooths engagement and creates a lighter, more predictable bite so riders can modulate speed with confidence on technical terrain. The caliper uses four pistons and 18mm diameter pistons for best-in-class power and improved heat distribution. The Ultimate build elevates durability and weight savings with titanium fasteners and a refined lever blade — delivering the responsiveness needed on steep, sustained descents while maintaining predictable fade resistance during long runs.

Key Features & Benefits

Engineered for control: 4-piston caliper geometry and 18mm pistons provide linear, high-power braking with excellent metal-on-metal consistency under load. The caliper and piston layout improve contact area and heat management to reduce fade on long descents. • Swinglink Architecture: Re-designed to deliver lighter initial engagement and more predictable modulation. • Material & Hardware: Ultimate-level titanium hardware reduces weight and improves corrosion resistance; lever blade finished in carbon for stiffness and feel. • Mineral Oil System: Uses Maxima Mineral Brake Oil for low-maintenance, corrosion-safe operation and consistent lever feel. • Tool-free Adjustments: Contact Point Adjust and tool-free Reach Adjust let you dial lever position and bite without tools on the trail.

Fit, Installation & Compatibility

The Maven Ultimate B1 is built for post-mount caliper setups and ships with a 950mm hydraulic hose — long enough for most modern mountain frames and simple to trim for custom routing. It's compatible with SRAM matchmaker clamps (MatchMaker X) for tidy cockpit integration on bikes using SRAM shifters. Designed to run Maxima Mineral Brake Oil only, the system requires matching mineral-fluid-compatible hoses and bleed fittings. Choose rotor size according to your riding style: smaller rotors for lightweight trail setups, larger rotors (200mm+) for enduro and e‑MTB to maximize heat dissipation and stopping power. Front and rear variants are available — check wheel placement and mounting hardware before ordering.

Who This Brake Is For

The Maven Ultimate B1 is aimed at riders who want high-power, tunable braking without the bulk of pure gravity-only systems. It's ideal for aggressive trail riders, enduro racers and e‑MTB riders who demand strong initial bite, consistent modulation and fade resistance on long, technical descents. If you regularly ride steep terrain, carry loads, or upgrade stock brakes for lighter, sharper feel and premium components like titanium hardware and a carbon lever finish, the Maven Ultimate B1 is a compelling choice.

Key Features

✓ Re-designed Swinglink for lighter, more predictable bite and modulation
✓ 18mm pistons deliver best-in-class stopping power and control
✓ Stiff four-piston caliper with superior heat management on long descents
✓ Ultimate-level carbon lever finish paired with titanium hardware
✓ Tool-free Reach Adjust plus Contact Point Adjust for on-trail tuning
✓ Ships with 950mm hose and fits post-mount calipers
✓ Runs Maxima Mineral Brake Oil only for low-maintenance performance
✓ MatchMaker X compatible for clean cockpit integration

Specifications

Fluid	Mineral oil
Caliper mount	Post mount
Hydraulic Hose Length	950mm
Lever Blade Material	Aluminum
Pistons	4
Position	Front
Primary Color	Silver
Shift Lever Comp.	MatchMaker X compatible

Product Identifiers

Vendor Item #	00.5018.259.000
UPC	710845925962

Frequently Asked Questions

Can I use DOT fluid with the Maven Ultimate B1?

No. The Maven Ultimate B1 is designed for mineral oil systems and must be bled with Maxima Mineral Brake Oil only. Using DOT fluid can damage seals and void warranties.

Does this brake come with pads and rotors?

Pads are typically included with the caliper assembly, but rotors are sold separately. Verify your order details — if you need rotors, choose rotor size based on weight and heat needs (180–220mm common for trail/enduro).

Is the lever blade carbon or aluminum?

The Ultimate B1 spec emphasizes an Ultimate-grade lever blade finish in carbon with robust internals; titanium hardware reduces weight and increases durability. Check variant specifics on the product page if you need a confirmed material callout.

How do I know if I need the front or rear version?

Select the 'Front' variant for your front wheel and the 'Rear' for the rear wheel. Front brakes typically use larger rotors; ensure hose routing length (950mm supplied) is suitable for your frame or plan to trim and fit new banjo fittings.

Are these brakes compatible with SRAM shifters?

Yes — the Maven Ultimate B1 is MatchMaker X compatible, allowing neat clamp-mounted integration alongside SRAM shifters. Confirm clamp compatibility with your handlebars before installation.

What maintenance does the Maven Ultimate B1 require?

Regular inspections, pad wear checks and periodic bleeding with Maxima Mineral Brake Oil are recommended. For heavy use (enduro or e‑MTB), check for glazing, monitor rotor wear and bleed the system every few months or after long descents to maintain firm lever feel.

Buying Guide

When choosing hydraulic MTB brakes, prioritize piston size, caliper construction and lever ergonomics based on your riding style. Larger pistons and multiple-piston calipers (like 4-piston, 18mm pistons here) deliver higher clamping force and smoother modulation for heavy-duty trail, enduro or e‑MTB use. Also consider compatibility: rotor size, mount type (post mount here), hose length, and bleed fluid (Maxima Mineral Oil required). For a balanced upgrade, pair high-power calipers with quality rotors, choose pads matched to your terrain, and plan for periodic bleeding and pad replacement to maintain peak performance.

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