Would this work for the front suspension an a trek marlin 5?

Yes it works fine., but you can go to local MB shop and buy oil with same values cheaper.

Is this a good weight for the front of my trx4?

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.

If I have air forks, do I need suspension fluid?

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.

Need Help Guys, when I add the oil should how should my rebound and dampening be set??

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.

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RockShox Suspension Oil 15wt 120ml Bottle

Product ID: 254940229

Details

Brand
RockShox
Item weight
113 Grams
Liquid volume
120 Fluid
Material
Andere
Package information
Bottle

⚙️15wt viscosity for optimal damping

🛢️120ml precision bottle

🚴‍♂️Specifically engineered for RockShox suspension

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Description

⚙️ Ride Smooth, Ride Ahead: The Secret Sauce for Pro-Level Suspension

ELEVATE YOUR RIDE - Keep your bike performing at peak with suspension oil designed for serious outdoor enthusiasts.
COMPACT 120 ML BOTTLE - Perfectly sized for easy storage and precise application without waste.
TRUSTED BY THOUSANDS - 4.7-star rating from over 1,200 riders who demand reliability and quality.
ROCK SHOX CERTIFIED FORMULA - Optimized to maintain and protect your suspension system, preventing corrosion and wear.
PRECISION TUNED 15 WT VISCOSITY - Ensures smooth, responsive suspension performance tailored for professional riders.

RockShox Suspension Oil 15wt in a 120ml bottle is a high-performance lubricant engineered specifically for RockShox forks and rear shocks. With a precise 15 weight viscosity, it ensures optimal damping and corrosion prevention, trusted by over 1,200 users with a 4.7-star rating. Ideal for professional cyclists seeking to maintain peak suspension performance.

Specifications

ASIN	B005543YIQ
Best Sellers Rank	#117,002 in Sporting Goods ( See Top 100 in Sporting Goods ) #116 in Bike Lube
Brand	RockShox
Brand Name	RockShox
Container Type	Bottle
Customer Reviews	4.7 out of 5 stars 1,238 Reviews
Global Trade Identification Number	00710845655197
Included Components	Suspension Oil and Lube
Item Form	Oil
Liquid Volume	120 Milliliters
Liquid volume	120 Milliliters
Manufacturer	RockShox
Material	Andere
Model Number	11.4315.021.040
Number of Items	1
Package information	Bottle
Part Number	PS4315021040
Recommended Uses For Product	Draussen
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

Reviews

P**C

Livraison trop long

Bon produit

9.12.2020

F**A

Packing

The packing not very great as box quite big for a small item...bubble wipe and inside carton box very loose...I touch the bottle a bit of oil leak dual of poor packing causing....For my country this type packing is not acceptable....lousy or so call lazy pack..

22.08.2024

ナ**ツ

問題なく使えます

特にししょなく使えてます

6.12.2025

G**S

Recomendo

Rápida entrega e produto corresponde ao pedido.

19.03.2026

P**Y

Rockshox oil

Awesome

31.05.2023

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B/.69

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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