Triumilynn 25mm Right-Side Front Brake Master Cylinder for Honda & Cruisers — Chrome, Bolt-On Replacement

Triumilynn's right-side 1" (25mm) front brake master cylinder is a bolt-on replacement that restores firm lever feel and reliable stopping power for a wide range of cruiser motorcycles.

If your front brake lever feels soft, pulls to the grip, or the master cylinder is leaking, this precision-machined 25mm unit is designed to replace worn or damaged stock parts on many Honda, Yamaha, Suzuki and Kawasaki cruisers. Finished in corrosion-resistant chrome alloy and supplied with a dedicated wrench and L-shaped screwdriver, the assembly is aimed at riders who want a durable, period-appropriate control that installs without cutting or drilling.

Which motorcycles will this master cylinder fit?

This right-side 1" (25mm) master cylinder covers a broad list of cruisers from the late 1990s through the 2010s across multiple brands. It fits many Honda models (including Shadow, ACE, Aero, Spirit, Sabre, VLX, VTX, Goldwing 1500, and Magna), plus selected Yamaha, Suzuki and Kawasaki V-twin models.

• Honda: Shadow ACE/Aero/Spirit 750/1100, Phantom 750, Sabre 1100, VLX 600, VTX1300/1800, Goldwing 1500, Magna 750.
• Yamaha: VStar and other V-twin models 650–1300, Raider, Road Star, Royal Star Tour Deluxe.
• Suzuki & Kawasaki: Compatible Intruder, Marauder, Boulevard, Savage and Vulcan series within listed years.

How does installation work and what tools are needed?

Installation is bolt-on with no cutting, drilling, or frame modification required. The package includes a wrench and an L-shaped screwdriver for the tight spaces often found near handlebars, and most home mechanics can complete the swap with basic hand tools.

• Remove the old master cylinder and attach the replacement with supplied wrench.
• Reconnect brake line and bleed the brake system to remove air pockets.
• Use the L-shaped screwdriver to access recessed fasteners as needed.

What performance improvements should I expect?

Replacing a leaking or worn master cylinder restores hydraulic pressure and produces a firmer, more predictable lever feel. Riders report more consistent stopping power in everyday riding and under demanding conditions such as wet surfaces, mud, and steep descents.

• Eliminates spongy lever response caused by failing seals.
• Restores consistent hydraulic pressure for reliable stopping distance control.
• Chrome alloy housing resists corrosion from salt, water, and road grime.

What are the unit’s specifications and build details?

The master cylinder is machined for durability with a 25mm bore and an M10 (10mm / 0.39") threaded stem. It is right-side specific and finished in silver chrome to match classic cruiser controls while resisting environmental wear.

• Bore size: 25mm / 1" for front brake control.
• Threaded stem: M10 (10mm / 0.39").
• Package includes: 1x master cylinder (right), 1x wrench, 1x L-shaped screwdriver.

Who is this for? This Triumilynn master cylinder is aimed at cruiser owners and DIY mechanics who need a reliable, OEM-style front brake replacement for late-1990s to 2013 V-twin motorcycles. It's suitable for riders restoring older bikes, correcting brake problems caused by seal wear or corrosion, or upgrading a brittle or leaking stock unit with a corrosion-resistant, serviceable component. If you need a right-side 25mm master cylinder that installs cleanly and returns a firm, predictable brake lever feel, this unit provides a practical, cost-effective solution.