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Rock Oil Guardian Sigma 15W50 - 1 Litre 4 Stroke Semi-Synthetic Oil

Product Code : AA7542

4+ In Stock

£13.55 £ 13.55 Incl. VAT

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Make Model Description Year Country
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Overview

Rock Oil is a respected British lubricant manufacturer known for producing high-performance oils and fluids for motorcycles, scooters, ATVs and competition machines. Developed for demanding road and race use, Rock Oil products are trusted for their quality, consistency and reliable protection.

Rock Oil Guardian Sigma 15W50 - 1 Litre 4 Stroke Semi-Synthetic Oil
Wemoto Product Code: AA7542
Rock Oil Guardian Sigma 15W50 is a high-performance semi-synthetic four-stroke engine oil designed to provide reliable lubrication and protection for modern motorcycle engines. The advanced formulation blends mineral and synthetic base oils to deliver strong oil film strength, good thermal stability and dependable engine performance in a wide range of riding conditions.

Technical Specifications

  • Brand: Rock Oil
  • Product Type: Semi-Synthetic 4-Stroke Engine Oil
  • Viscosity Grade: 15W-50
  • Formulation: Semi-synthetic
  • Size: 1 Litre
  • Suitable For: Four-stroke motorcycle engines requiring 15W-50 specification oil

Rock Oil Guardian Sigma 15W50 is engineered to maintain effective lubrication across a wide operating temperature range while helping reduce engine wear and maintain internal cleanliness. The balanced formulation supports smooth engine operation and dependable performance for everyday road use and higher performance applications.

Key Features & Benefits

  • Genuine Rock Oil semi-synthetic 4-stroke engine oil
  • 15W-50 viscosity grade suitable for many motorcycle engines
  • Advanced semi-synthetic formulation
  • Helps protect against engine wear
  • Supports engine cleanliness and smooth operation
  • Reliable lubrication across varying temperatures
  • Suitable for modern four-stroke motorcycles
  • 1 litre bottle

Why buy from Wemoto

  • Fast dispatch and reliable delivery
  • Extensive range of motorcycle, scooter and ATV parts
  • Knowledgeable customer support team

Returns

We hope that you are happy with your order, however, there may be instances where you wish to return an item. We ask that customers return items unused and with their original packaging. All returns should include a covering note stating the reason for the return and the order number clearly marked. Please retain the proof of postage until we have confirmed receipt of the items. We recommend sending by a recorded postage method. Refunds will be processed by the original payment method. If you paid on card, it can take up to 7 days to appear back in your account, with PayPal refunds taking up to 30 days refund if you've simply changed your mind, you have 30 days from the date of purchase to return your item(s) for a refund. Customers are responsible for return shipping costs where items are supplied correctly.

Exchanges

We allow customers up to 6 months after the purchase date to return the item for exchange, provided the item is in re-saleable conditions and proof of purchase can be established.

Supply errors

We ask that customers report supply errors as soon as possible after delivery. We reserve the right to decline issues reported beyond 6 months of the purchase date. Please check your order thoroughly on receipt. Where goods are supplied in error, or arrive damaged, we will cover all shipping costs and exchange or refund in full. We reserve the right to charge a 15% restocking fee for items that are returned in poor condition or outside of the accepted time period.

Electrical Items

Please note that when fitting electrical parts these can be damaged by the same faulty electrical system that caused the initial failure and in such circumstances these parts cannot be returned for a refund

Fitting Issues


Where customers experience issues fitting parts to their vehicle, we will always endeavor to thoroughly investigate and rectify where possible. We will first try to ascertain that you have purchased for the correct model of bike and that no modifications have been made. We cannot be held liable for issues fitting standard parts to non-standard or modified vehicles. 

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