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 Lower Legs

Product ID: 1429772

Details

Brand
RockShox
Liquid Volume
120 ml
Material
Multi
Package Information
Bottle
Recommended Uses For Product
Suspension Oil

🔧100% RockShox compatibility

⚙️15wt viscosity for smooth damping

🛢️120ml bottle, perfect service volume

₨500

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Description

⚙️ Elevate your ride with RockShox’s precision suspension oil — because every drop counts!

OPTIMIZED VOLUME - 120ml bottle designed for hassle-free fork and shock maintenance
ROCK SHOX CERTIFIED - Guaranteed compatibility with all RockShox lower leg components for peak reliability
VISCOSITY STABILITY - Innovative formula maintains performance across temperature changes and riding conditions
PRO LEVEL SERVICE READY - Ideal for DIY enthusiasts and pros aiming for flawless suspension feel
PRECISION TUNED VISCOSITY - 15wt oil engineered for consistent, buttery suspension performance

RockShox Suspension Oil 15wt in a 120ml bottle is specially formulated for optimal damping performance in RockShox forks and shocks. Its viscosity stability ensures smooth, consistent suspension action, while guaranteed compatibility with all RockShox lower leg components makes it the go-to choice for riders seeking professional-grade maintenance and enhanced ride quality.

Specifications

ASIN	B005543YIQ
Best Sellers Rank	#51,147 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #54 in Bike Tool Kits
Brand Name	RockShox
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (1,264)
Global Trade Identification Number	00710845655197
Included Components	Suspension Oil and Lube
Item Form	Oil
Liquid Volume	120 ml
Manufacturer	RockShox
Material	Multi
Model Number	11.4315.021.040
Number of Items	1
Number of Packs	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 Count
Warranty Description	Limited Warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Fantastic experience overall. Will recommend to friends and family.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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₨500

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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