Sage R8 Core 690-4 Fly Rod Blank - 6wt 9'0" 4pc

SageSKU: 690-4 R8 Core
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Action Fast
Butt 0.395
Color Silver Pine
Length 9'0"
Line 6 wt.
Material R8 Graphite
Pieces 4
Tip 4.0 (~1.6mm)
Weight 1.46

Product Details


CA Proposition 65      Warning

WARNING: Cancer and Reproductive Harm -


R8 Core is focused on maximum versatility and applies new revolutionary R8 material technology through our forward-thinking lens of what we're seeing out on the water - where one rod needs to show even greater range. At its core, R8 Core traces a direct lineage to Sage's multi-application / fast action vision, one shaped by the fishing evolutions happening all around us—from habitats we stalk and waters we frequent, to the flies we fish and the diversity of species we now target. Coming in a range from 3wt to 9wt, with a variety of lengths from 8'6" to 10'0", there's sure to be a model to fit the core needs of every freshwater angler.

R8 Core – All Models

Model Length Line Weight Pieces Butt Diameter Tip Size Physical Weight
390-4 R8 Core 9' 3 4pc 0.370 4 1.3
486-4 R8 Core 8'6" 4 4pc 0.347 3.5 1.16
490-4 R8 Core  9' 4 4pc 0.380 4 1.31
590-4 R8 Core 9' 5 4pc 0.395 4 1.38
596-4 R8 Core 9'6" 5 4pc 0.407 4 1.49
690-4 R8 Core 9' 6 4pc 0.410 4 1.45
696-4 R8 Core 9'6" 6 4pc 0.405 4 1.63
790-4 R8 Core 9' 7 4pc 0.410 4 1.59
890-4 R8 Core 9' 8 4pc 0.430 4 1.68
896-4 R8 Core 9'6" 8 4pc 0.440 4 1.91
990-4 R8 Core 9' 9 4pc 0.440 4.5 1.9


Revolution 8 Technology
Silver Pine blank color
Handcrafted in USA

Behind the R8

Maximized Versatility


A fast action provides the capability to stay tight to the line and in control of the presentation, while the high line speed drives a tight loop that assists in laser accuracy in technical dry fly situations. With ability to handle dry fly lines with long heads, increasing loop control when carrying long lengths and making precise casts to rising fish, all while making it easier to turn over long leaders for technical feeders at range.


With a sensitive tip section to protect light tippets, a versatile balance between lifting power and delicacy provides perfect synergy for nymph fishing. A very effective tool for anglers that fish nymphs and indicators wading or out of a boat. With a combination of power and feel,R8 Core allows for intuitively better cast timing, easier line lifts and sharp, precise mends leading to faster reaction times when setting the hook.


A powerful butt section easily throws a wide range of streamers and accommodates a full lineup of sinking tip lines while also quickly pulling aggressive fish out of structure for increased landing success. The powerful butt section of the R8 CORE provides stability, connectedness, and power to rock and fire those one-shot casts.

Made to fish, not just cast


With feel that extends to the smallest dry flies, R8 provides the touch to deliver efficient mends with intention and precision.


From subtle sips to streamer strikes, the amplified sensitivity of R8 enables fine nibble feel that triggers instant, instinctual reaction for trout sets or strip sets.


With a fish on, R8’s fusion of stronger backbone yet greater feel enables you to control your fish, even from tough structure, with touch and care.

R8 Technology

The advanced, leading-edge material behind R8 enables us to shape a rod with a stiffer, stronger backbone but a more sensitive tip and more connected feel. The secret is twofold. First, a proprietary aerospace composite with a greater hoop strength enables us to dimensionally grow taper diameter more quickly from the tip—while a nano-sintered resin application increases axial resilience and allows us to pack more fiber into the blank, resulting in that true two-way connection from hand to fly and back for greater feel, flow and control.


We’re not a big faceless factory, but rather a workplace of craftspeople who design and build the world’s best fly rods and reels using our hands and hearts. We do it by sharing ideas and always asking the next question to find what can be done to make this better. Our rods are built one at time right here on Bainbridge Island, WA, following hundreds of meticulous steps and passing through 23 sets of hands. We’re out there fishing the same places in the same unforgiving conditions that you are. Craftsmanship is applied experience. Lifetimes of it.


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