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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Suspension Oil 15wt 120ml Bottle

Product ID: 254940229

Details

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

📏120ml bottle

⚙️High-performance lubricant

🛠️15wt viscosity

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€ 28.16

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In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚴‍♂️ Elevate Your Ride with RockShox Suspension Oil!

EASY APPLICATION - Convenient 120ml bottle for hassle-free refills and maintenance.
PROFESSIONAL GRADE - Trusted by top athletes and enthusiasts for superior performance.
PRECISION ENGINEERED - Designed specifically for optimal compatibility with RockShox suspension systems.
DURABLE LONG LASTING - Formulated to withstand extreme conditions, ensuring your ride stays smooth.
SMOOTH RIDE GUARANTEED - Experience unparalleled suspension performance with RockShox's premium oil.

RockShox Suspension Oil 15wt is a high-performance machine lubricant designed for optimal suspension performance. With a 120ml bottle, it offers precision engineering and durability, making it the go-to choice for both professional athletes and cycling enthusiasts.

Specifications

ASIN	B005543YIQ
Best Sellers Rank	#109,004 in Sporting Goods ( See Top 100 in Sporting Goods ) #115 in Bike Lube
Brand Name	RockShox
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (1,218)
Global Trade Identification Number	00710845655197
Included Components	Suspension Oil and Lube
Item Form	Oil
Item Weight	113 Grams
Liquid Volume	120 Fluid Ounces
Manufacturer	RockShox
Material	Andere
Model Number	11.4315.021.040
Number of Items	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

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