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Designed for slower action rods; especially bamboo, glass and “classic” action graphite rods

LightLine DT


RIO’s LightLine has been designed to load slower, more traditional action fly rods such as bamboo, glass and the more “Classic” flexing graphite rods. Built to precisely match the industry line standards, this line will not overload such rods – even at longer range. The weight distribution and short front taper ensures the line loads at close range, making it ideal for fishing on smaller creeks and streams, while the softer, supple coating ensures the line remains relaxed and easy to handle in the majority of conditions.

Neat, bulletproof loops are welded on both ends of DT1F to DT5F for easy rigging, but are not included in DT000F, DT00F or DT0F models.

This line is also available as weight forward

taper profile



AgentX is a dual layered fly line that utilizes a high floating inner coating made with more buoyant microspheres covered by a tough outer coating for maximum durability.


MaxCast is a hydrophobic coating that repels water, ensuring lines float higher, shoot farther, stay cleaner, and last longer.

MaxFloat Tip

MaxFloat Tip technology is a high float coating that floats more than twice as high as regular fly line tips, without any increase in diameter



Marks the sweet spot of a fly line by providing an obvious color change in the line at the sweet spot.

Front Welded Loop

A neat, bulletproof loop welded at the front of the fly line for fast Spey-specific rigging.

Back Welded Loop

A neat, bulletproof loop welded at the end of the fly line for fast rigging to backing.

LightLine DT - All Models

Line ColorSink RateLine Size
Brown/Ivory Float DT2F
Brown/Ivory Float DT3F
Brown/Ivory Float DT4F
Brown/Ivory Float DT5F
Brown/Ivory Float DT000F
Brown/Ivory Float DT00F
Brown/Ivory Float DT0F
Brown/Ivory Float DT1F