Triumph Speed 400 / Scrambler 400 Rolon Noise-Free Chain Sprocket Kit | HXR 427NF

Triumph Speed 400 / Scrambler 400 Rolon Noise-Free Chain Sprocket Kit

The Rolon HXR 427NF chain sprocket kit is listed for Triumph Speed 400 and Scrambler 400 motorcycles. Supplied as a front sprocket, rear sprocket and chain set, it is described by the supplier as designed for smoother running and reduced drivetrain noise and vibration during daily commutes and rugged rides.

Specifications and Kit Contents

• Brand: Rolon.
• Kit reference: HXR 427NF.
• Listed motorcycles: Triumph Speed 400 and Scrambler 400.
• 1 front sprocket: 15 teeth (15T).
• 1 rear sprocket: 43 teeth (43T).
• 1 chain: listed in the supplied information as 103 links, with Noise-Free design.

Chain-length check: The supplied listing states 103 links. This specification has not been independently verified. Confirm the required chain length and the kit's packaging specification before ordering or installation.

Front Sprocket Features

The supplied description lists the following materials, manufacturing details and intended benefits. Supplier performance and manufacturing claims have not been independently verified:

• High-quality, heat-treated steel intended to enhance strength and wear resistance.
• Anti-wear technology intended to support power transmission and smoother acceleration.
• Precision machining intended to reduce noise and vibration for a more comfortable ride.
• Anti-corrosion coating intended to support longer service life and reliable performance.
• 18 production stages and 15 quality checks.
• OE-spec design intended to match the motorcycle's drivetrain; exact model-year fitment must still be checked.

Rear Sprocket Features

• Premium carbon-steel construction for strength and durability, as described by the supplier.
• Induction-hardened teeth intended to improve wear resistance.
• Zinc coating intended to improve rust prevention in varying weather conditions.
• Shot-blasted finish intended to increase fatigue strength for off-road and muddy riding conditions.
• Optimised tooth geometry intended to support accurate fitment and smooth power delivery.
• Advanced surface treatment intended to resist dust, debris and mud buildup.
• Low-friction surface finish intended to support quieter and more efficient operation.

Fitment and Installation

Specific model years and Scrambler variants are not provided in the supplied listing. Confirm HXR 427NF, the 15T/43T sprocket combination, mounting details and chain length against your motorcycle's parts catalogue and the kit packaging before ordering. Do not assume compatibility with every Scrambler 400 variant.

Professional installation is recommended to check chain alignment, tension and fastener torque. Follow the motorcycle and chain manufacturer's cleaning, lubrication and maintenance instructions.

Noise-Free is the product wording supplied for this kit, not a guarantee of completely silent operation. Actual noise, vibration, durability and service life depend on fitment, installation, adjustment, maintenance and riding conditions.