Continue shopping “Effective Cycling Threshold Test” has been added to your cart. Continue Shopping → Would you like some more goods? Remove item Thumbnail image Product Price Quantity Subtotal × 3X10 minutes $24.99 3X10 minutes quantity $24.99 × Ramped VO2 intervals $24.99 Ramped VO2 intervals quantity $24.99 × Effective Cycling Threshold Test $54.99 Effective Cycling Threshold Test quantity $54.99 Coupon: Apply coupon Update cart You may be interested in… 2X20 Minutes Threshold $24.99 Add to cart Cart totals Subtotal $104.97 Tax $0.00 Total $104.97 Proceed to checkout