Sunrace Crankset R81 53/39

Optimize your cadence with Sunrace R81’s dual 53/39 and 52/42 chainrings, delivering precise shifts and unmatched power transfer for every ride

€54

Free delivery on orders over €50
After delivery or monthly payments with Klarna & ALMA
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Unleash Maximum Power and Precision in Every Pedal Stroke.

Struggling with inefficient gear shifts and limited speed control? The Sunrace crankstel R81 53/39 delivers a cutting-edge solution designed for riders who demand seamless performance and ultimate drivetrain reliability. Engineered to optimize your e-mobility experience, this crankset offers enhanced gear range and superior durability to conquer any urban terrain with confidence.

Key Features

  • Dual chainring setup: 53/39 teeth for versatile speed and power balance.
  • Extra chainrings included: 52/42 teeth for customized gearing options.
  • Precision depth adjustment: -1mm for optimal chain alignment and smooth shifting.
  • Robust 107mm bottom bracket: ensures stable crankset integration and longevity.
  • Race-ready 8-speed compatibility: engineered for high-performance urban riding.

Technical Specifications

  • Model: Sunrace crankstel Race 8v R81 53/39
  • Additional chainrings: 52/42 teeth
  • Chainring depth adjustment: -1mm
  • Bottom bracket length: 107mm
  • Speed compatibility: 8-speed

Frequently Asked Questions

The Sunrace R81 crankset is compatible with most 8-speed urban and e-mobility bikes featuring a 107mm bottom bracket shell.
Yes, the extra 52/42 chainrings allow quick customization to suit different riding conditions and preferences.

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