SIT Strings Fusion Wound Nickel Bass Guitar Strings (S.I.T.), 4-String Bass Medium-Light 45-105, NRB45105L

The ultimate bright-sounding bass string. These strings start with a 92/8 phosphor bronze under-wrap wire over a hard-tempered hexagonal steel core. Then, the "Fusion Winding" process, exclusive to S.I.T. uses an electrical calibration technique to integrate the strings cover winding with its core. This innovative method fuses a string into one super flexible mass, eliminating dead spots that occur during the strings life. These RB (Rock Bright) bass strings are available in a variety of gauges and combinations including long and extra-long scale. All RB bass strings are made with USA made cover-wrap wire over USA made hexagonal core. These strings are available in either Nickel (NRB) or Stainless Steel (SRB).

• MODERN NICKEL TONE WITH ADDED CLARITY: Fusion Wound Nickel Bass Strings deliver a balanced, punchy tone with smooth highs and deep, controlled lows. The perfect choice for players who want the warmth of nickel with added clarity and focus across every register.
• FUSION WOUND: Our exclusive Fusion Wound Process uses electricity and heat to bond the wrap wire to the core under tension, creating a more uniform winding and eliminating dead spots. This results in better sustain, extended life, and improved tuning stability compared to traditional winding methods.
• RESPONSIVE PLAYABILITY & LONG-LASTING PERFORMANCE: Designed for versatility and comfort, these strings respond instantly to every playing style—fingerstyle, pick, or slap. Their durable construction and balanced flexibility keep your tone consistent from gig to gig
• MADE IN THE USA – CRAFTED FOR PROFESSIONALS: Proudly built in Akron, Ohio since 1980. Every Fusion Wound set is precision-wound, inspected, and sealed to preserve tone and performance. Trusted by working bassists who demand smooth feel, reliable tuning, and exceptional tone longevity.