--- product_id: 1429772 title: "RockShox Suspension Oil 15wt 120ml Bottle Lower Legs | bike-oils" brand: "rockshox" price: "$28.55" currency: USD in_stock: true category: "Rock Shox" url: https://www.desertcart.us/products/1429772-rockshox-suspension-oil-15wt-120ml-bottle-lower-legs-bike-oils store_origin: US region: United States of America --- # Compatible with all RockShox lower legs 15wt viscosity for smooth damping 120ml bottle for precise refills RockShox Suspension Oil 15wt 120ml Bottle Lower Legs | bike-oils **Brand:** rockshox **Price:** $28.55 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your ride with RockShox’s precision suspension oil — because every drop counts! ## Quick Answers - **What is this?** RockShox Suspension Oil 15wt 120ml Bottle Lower Legs | bike-oils by rockshox - **How much does it cost?** $28.55 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/1429772-rockshox-suspension-oil-15wt-120ml-bottle-lower-legs-bike-oils) ## 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 - • **Effortless Maintenance:** Simplifies suspension servicing, keeping your bike performing at pro-level standards - • **Precision-Tuned Viscosity:** 15wt oil engineered for optimal suspension responsiveness and control - • **Perfect Volume for Service:** 120ml bottle size ensures you have just the right amount for maintenance without waste - • **Viscosity Stability Innovation:** Maintains consistent performance across temperature changes for reliable rides - • **RockShox Certified Compatibility:** Specifically formulated to work seamlessly with all RockShox forks and shocks ## Overview RockShox Suspension Oil 15wt in a 120ml bottle is a premium lubricant designed for optimal damping performance in RockShox forks and shocks. Engineered for viscosity stability and full compatibility with RockShox lower leg components, it ensures smooth, reliable suspension function and easy maintenance for serious cyclists. ## Description 15 weight oil for suspension forks and rear shocks. Refer to the RockShox Technical Manuals for proper applications ## Features - RockShox's Suspension Oil available in different weights to match the most popular suspension fork and shock setups - Recommended for use in all Rockshox brand forks - Refer to your suspension component's service manual for specified oil volumes and weights. - Features innovative viscosity stability and compatibility with all RockShox lower leg components, making it the perfect choice for riders seeking top-tier suspension performance and easy, effective service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005543YIQ | | Best Sellers Rank | #52,730 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #57 in Bike Tool Kits | | Brand Name | RockShox | | Container Type | Bottle | | Customer Reviews | 4.7 4.7 out of 5 stars (1,259) | | Global Trade Identification Number | 00710845655197 | | Included Components | Suspension Oil and Lube | | Item Form | Oil | | Liquid Volume | 120 Milliliters | | Manufacturer | RockShox | | Material | Multi | | Model Number | 11.4315.021.040 | | Number of Items | 1 | | Part Number | PS4315021040 | | Recommended Uses For Product | Suspension Oil | | SAE J300 Viscosity Grade | 15W | | Specific Uses For Product | Suspension Oil and Lube | | UPC | 744288815450 710845655197 | | Unit Count | 1.0 Count | | Warranty Description | Limited Warranty | ## Product Details - **Brand:** RockShox - **Liquid Volume:** 120 Milliliters - **Material:** Multi - **Package Information:** Bottle - **Recommended Uses For Product:** Suspension Oil ## Images ![RockShox Suspension Oil 15wt 120ml Bottle Lower Legs | bike-oils - Image 1](https://m.media-amazon.com/images/I/51MLdPY6LhL.jpg) ## 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/1429772-rockshox-suspension-oil-15wt-120ml-bottle-lower-legs-bike-oils](https://www.desertcart.us/products/1429772-rockshox-suspension-oil-15wt-120ml-bottle-lower-legs-bike-oils) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-14*