Tecnifibre X-ONE Biphase 16 Tennis String


All Pricing is in Canadian Dollar.

X-one biphase is tecnifibre's premium string. It is designed to take playability and durability to a new level by providing ultimate performance of power and feel while extending string life by 20% and offering increased spin. X-one biphase joins together h2c (high heat capacity) and nrg microfilaments to acquire this high power and dynamic response. X-one benefits from a process. (Trimerization) which bonds polyurethane to protect against wear and notching while maintaining high comfort and feel. X-one is the string of choice for roland garros.

  • Composition: composite microfilament biphase process and polyurethane
  • 400% elasticity for high comfort and dynamic performances
  • Power and tension maintenance
  • Length: 40 feet (12m).
  • Gauge: 16 (1.30mm)


Main Shipping Terms

  • FREE ground shipping on orders of C$100 for Canadian Customers or more (before taxes and shipping) in Canada excluding remote & difficult to serve locations (more information below)
  • Orders below C$100 are subject to a shipping fee.
  • All orders require 1-3 business days of processing time unless otherwise noted on the product page.
  • Currently we ship using Canada Post, Purolator, UPS
Shipping prices are quoted in shopping cart.

For customers in United States

  • FREE ground shipping on orders of C$100 for US Customers or more.
  • We ship to USA using Canada Post/US Postal Service.
  • US Customer will NOT Pay  Brokerage, Customs or Taxes on shipments to the US

Remote Locations excluded from Free Shipping (Canada only)*

Most remote locations are locations that Canada Post refers to as “Air Stage Locations”.

 Shipping rates for remote locations

  • C$35 for orders total under C$99
  • C$25 for orders total between C$100 – C$250
  • C$15 for orders total more than C$250

We accept returns of unused products up to 30 days after the date of purchase. Used products cannot be returned

All Sale Items are non-refundable.

Customers are responsible for all shipping fees on returns.