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  • HEDGEHOG STUDIO 21 Nasci Line Roller Bearing Upgrade Kit

HEDGEHOG STUDIO · Rod & Reel Care

HEDGEHOG STUDIO 21 Nasci Line Roller Bearing Upgrade Kit

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Size: [HRCB bearing]

Quick take

Replacement bearing kit to upgrade line roller smoothness and corrosion resistance on Shimano Nasci spinning reels.

This is a tuning kit for the line roller of the 21 NASCI spinning reel, not a reel itself. It adds one bearing to the roller, and this version uses the HRCB type, made with a rust-resistant process and aimed at saltwater use. The kit also includes a roller bush, two washers and an illustrated manual for the swap.

Best for

  • Enhancing sensitivity on freshwater models
  • Adding salt-water durability to coastal reels
  • Tuning professional-level spinning setups

Skip if

  • Your Nasci doesn't have a line roller system
  • You prefer original components

Strengths

  • SHG bearing reduces friction for more sensitive feel
  • HRCB bearing resists salt water corrosion 10x better than standard
  • Hand-selected bearings promise superior smoothness

Trade-offs

  • Requires disassembly and technical knowledge to install
  • Only fits specific Nasci model series

Specifications

Specifications
Typereel bearing kit
Compatibility21 Nasci models 500-C5000XG

Updated