RIO Mainstream Bass Fly Line

NOW:$31.99(20% off!)
WAS: $39.99*


The price of the product might be updated based on your selection

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RIO Mainstream Bass Fly Line
RIO Mainstream Bass Fly Line
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guaranteed for delivery
by Dec 24. details.

Guaranteed Holiday Delivery

Let our no-worries policy put your shopping stress at ease this holiday! Purchase eligible items and choose the appropriate shipping option at checkout. Your order's arrival on or by Monday, December 24 is guaranteed - or it's FREE! See details below.

Legal Terms & Conditions

  • For orders where delivery is not made or attempted by end of day on Monday, December 24, 2018, for the eligible item(s), we will credit your account in an amount equal to the purchase price of the item(s) in accordance with this offer
  • Please note, credits are not automatically applied to your account and must be requested
  • To request your credit, call Customer Service at 1-855-821-6911 starting Wednesday, December 26, 2018 thru 11:59 PM PT Thursday, January 3, 2019
  • Please note that this promotion may be terminated or modified at any time without notice
  • Delivery Methods are listed at checkout
  • All shipping costs are the responsibility of the customer
  • This program applies to:
    • Eligible items indicated with the "Guaranteed Holiday Delivery" tag
    • Guaranteed for Holiday delivery
    • Delivery Methods: Orders received and cleared credit authorization before 11:59 PM PT on Tuesday, December 18, 2018, for Standard Shipping, before 11:59 PM PT on Wednesday, December 19, 2018, for Expedited Shipping, or before 9:00 AM PT on Thursday, December 20, 2018, for Express Shipping
    • Orders shipped to a valid address in the contiguous United States
    • Attempted delivery on or before Monday, December 24, 2018, satisfies this offer
  • This program does NOT apply to:
    • Customized items, special orders, gift cards, items on backorder or cancelled orders (e.g., out-of-stock merchandise)
    • Shipments to Alaska, Hawaii and U.S. territories and possessions
    • Shipments to P.O. boxes or APO/FPO addresses
    • Orders where the required Delivery Method (as set forth above) was not selected at the time of checkout
    • Orders delayed by shipping carriers, acts of war, terrorism, acts of nature, or other events beyond our control
    • Previous purchases
  • For any questions, please contact Customer Service at 1-855-821-6911

Product Information:

You don’t need to be a pro to fish with RIO® Mainstream Fly Line. Specially designed for the average or novice angler, this fly line is optimized rod performance thanks to heavier and shorter head lengths. Its warm water coating over a memory-free core ensures the best performance with every cast. RIO® Mainstream Bass Fly Line makes it easy to take on bass regardless of skill-level.


  • Fly line for bass
  • Heavier and shorter head lengths optimize rod performance
  • Warm water coating over a memory-free core
  • Developed for average and novice fly fishermen
  • Color: Yellow
  • RIO


  • Model: 6-20769
  • Line Size: WF6F
  • Head Weight: 205gr
  • Head Length: 35 ft.
  • Sink Rate: Float
  • Total Length: 80 ft.
  • Model: 6-20766
  • Line Size: WF7F
  • Head Weight: 220gr
  • Head Length: 35 ft.
  • Sink Rate: Float
  • Total Length: 80 ft.

  • Model: 6-20767
  • Line Size: WF8F
  • Head Weight: 250gr
  • Head Length: 35 ft.
  • Sink Rate: Float
  • Total Length: 80 ft.
  • Brand: RIO
  • Country of Origin: Imported