--- product_id: 254940229 title: "Suspension Oil 15wt 120ml Bottle | RockShox 15wt Suspension Oil - Synthetic Hydraulic Fluid for Forks & Shocks" brand: "rockshox" price: "$35.73" currency: USD in_stock: true category: "Rock Shox" url: https://www.desertcart.us/products/254940229-suspension-oil-15wt-120ml-bottle-rockshox-15wt-suspension-oil-synthetic store_origin: US region: United States of America --- # 15wt viscosity for optimal damping 120ml precision bottle Engineered for RockShox forks & shocks Suspension Oil 15wt 120ml Bottle | RockShox 15wt Suspension Oil - Synthetic Hydraulic Fluid for Forks & Shocks **Brand:** rockshox **Price:** $35.73 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your ride with precision suspension oil — because every drop counts! ## Quick Answers - **What is this?** Suspension Oil 15wt 120ml Bottle | RockShox 15wt Suspension Oil - Synthetic Hydraulic Fluid for Forks & Shocks by rockshox - **How much does it cost?** $35.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/254940229-suspension-oil-15wt-120ml-bottle-rockshox-15wt-suspension-oil-synthetic) ## Best For - rockshox enthusiasts ## Why This Product - Trusted rockshox brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Pros:** 4.7-star rating from over 1,200 riders who demand reliability and performance. - • **Corrosion Defense:** Advanced synthetic formula protects internal components from wear and rust, extending suspension life. - • **RockShox Certified:** Formulated specifically for RockShox forks and rear shocks to maintain peak responsiveness. - • **Compact & Convenient:** 120ml bottle designed for easy application and perfect dosing on the trail or at home. - • **Precision-Tuned Viscosity:** 15wt synthetic oil ensures smooth, consistent suspension performance under all conditions. ## Overview RockShox Suspension Oil 15wt is a synthetic hydraulic fluid specially formulated for RockShox forks and rear shocks. Packaged in a 120ml bottle, it delivers optimal damping performance, corrosion protection, and long-lasting reliability, making it a must-have for serious cyclists seeking smooth, responsive suspension. ## Description 15 weight oil for suspension forks and rear shocks. Refer to the RockShox Technical Manuals for proper applications ## Features - manufacturer: Rock Shox - Item Trademark: ROCK SHOX - Item Weight: grams, pounds, 0.24912235606, 113. - Item Category: Machine Lubricant ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005543YIQ | | Best Sellers Rank | #120,432 in Sporting Goods ( See Top 100 in Sporting Goods ) #121 in Bike Lube | | Brand Name | RockShox | | Container Type | Bottle | | Customer Reviews | 4.7 4.7 out of 5 stars (1,244) | | Global Trade Identification Number | 00710845655197 | | Included Components | Suspension Oil and Lube | | Item Form | Oil | | Item Highlight | RockShox 15wt Suspension Oil - Synthetic Hydraulic Fluid for Forks & Shocks | | Liquid Volume | 120 Milliliters | | Manufacturer | RockShox | | Material | Andere | | Model Number | 11.4315.021.040 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | PS4315021040 | | Recommended Uses For Product | Draussen | | SAE J300 Viscosity Grade | 15W | | Specific Uses For Product | Prevent Corrosion | | UPC | 744288815450 710845655197 | | Unit Count | 120 Milliliters | | Viscosity | 15 | ## Product Details - **Brand:** RockShox - **Liquid volume:** 120 Milliliters - **Material:** Andere - **Package information:** Bottle - **Recommended uses for product:** Draussen ## Images ![Suspension Oil 15wt 120ml Bottle | RockShox 15wt Suspension Oil - Synthetic Hydraulic Fluid for Forks & Shocks - Image 1](https://m.media-amazon.com/images/I/51MLdPY6LhL.jpg) ## Available Options This product comes in different **Color, Item Package Quantity** options. ## Questions & Answers **Q: Would this work for the front suspension an a trek marlin 5?** A: Yes it works fine., but you can go to local MB shop and buy oil with same values cheaper. **Q: Is this a good weight for the front of my trx4?** A: Is it recommended for it… no, it is recommended for use in bike front suspension forks, however I was looking at it for the same purpose. Rc use. Im gonna run it. Cheaper than rc brands by volume. **Q: If I have air forks, do I need suspension fluid?** A: Yes, you absolutely need suspension fluid. An "air fork" has a sealed air chamber which functions as a "spring". When you the fork down, the air chamber compresses further and pushes back. It's pretty simple. This air chamber has rubber seals which use oil to lubricate the seals and prevent air from leaking. Also, there is typically a "damper" side to the folk (side of the fork which has adjustments for rebound, compression, etc.) which also requires oil. The charge damper should generally be left alone. It requires patience and finesse to properly change and bleed the oil. It would probably be worth taking your bike into a shop to have this done. Scratches to your fork could ruin it. It'd be cheaper to pay for service than pay for a new fork. **Q: Need Help Guys, when I add the oil should how should my rebound and dampening be set??** A: I have RockShox Recon 2006. It did not matter how it was set when adding oil. There was no pressure. The dampener was a pain to get back together because of the oil needing to work it’s way around seals and such. But after quite a bit of twisting it got back into place. Adding oil to the lower chambers was simply adding oil to two tubes. No settings really mattered then either. ## Frequently Bought Together - RockShox Suspension Oil 15wt 120ml Bottle Lower Legs - SRAM Butter Grease, 1 oz - RockShox Suspension Oil, 5wt, 120ml Bottle, Fork Damper --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/254940229-suspension-oil-15wt-120ml-bottle-rockshox-15wt-suspension-oil-synthetic](https://www.desertcart.us/products/254940229-suspension-oil-15wt-120ml-bottle-rockshox-15wt-suspension-oil-synthetic) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-09*