BCY 8125 Dyneema Thin bowstring 1-4 lb black

Brand: BCY

BCY make archery string material like 452X, 450 Plus, 8125, DynaFlight 97, Dyneema '02, B500 string material & Halo, No. 3D End, No. 2 End, No. 62 Braided, No. 62XS, 400 Monofilament End, Polygrip Centre & Nylon Monofilament Centre Serving

BCY 8125 Dyneema Thin bowstring 1-4 lb black

BCY 8125 Dyneema Thin bowstring 1-4 lb black Description

Formula 8125 Dyneema Thin bowstring material - faster and stronger and a thin diameter.

Formula 8125 Dyneema Thin and DynaFLIGHT 97 are made from the highest quality Dyneema yarn (92% SK75 Dyneema) - the latest and strongest Dyneema material and will shoot faster. 8125 in a finished string, has the same strength as Dynaflight 97, but the smaller diameter strand means it is faster.

  • The fastest
  • Very Low Creep
  • High Durability
  • Strong
  • Smaller Diameter
  • Safe
  • Reliable

Shooters can use a higher number of strands, offering more flexibility and greater speed with very low creep or stretch - in many cases, little or no creep.

BCY mostly uses Spectra for serving material and Dyneema for bowstring material and both are HMPE (High Modulus Polyethylene) material and both are very, very strong and breakages are rare.

Breakages can occur from abrasion, rough spots at the ends of the bow but not because of fibre strength if the correct number of strands are used.

Available in 1-4 lb (4oz) spools, black.

4 two-colour blends also available at a slightly higher price.

  • White/Black
  • Fluoro Orange/Black
  • Red/Black
  • Tan/Black

Bowstring material with safety, stability, speed and durability - rely on BCY.

Bowstring Diameter/Recommended number of strands 18 strands, perhaps 20 with cables. All bowstring material is relatively flat in a single strand, so it is not appropriate to publish a diameter of the individual strand. The important issue is how many strands are required to give a satisfactory nock fit, which is what the above recommendation shows. These numbers can vary according to nock type/size and personal preference. Recommended strands are for typical modern compound bows. Plus or minus two strands is normal.

Approximate feet per lb waxed 8200. Please note bowstring specifications are published so stringmakers can get an idea of how many finished strings can be built from a spool. Due to variables in the manufacturing process, BCY is unable to guarantee exact specifications.

Breaking Strengths are no longer published by BCY because discrepancies occur, due to different test methods. BCY can provide minimum breaking strength information upon request, but as a general guide, Formula 8125 has a 110 to 120 lbs break strength. The breaking strength of a single strand of Formula 8125 exceeds 100 lbs. Using 100 lbs as the criteria, the total strength of 18 strands is 1800 lbs. Of course when set up on a bow, the strands are split at the loops and a static load test shows that approximately 40% of the strength is lost at this point. This still leaves a breaking strength of over 1000 lbs. It should be noted that all modern materials far exceed the strength required to perform satisfactorily as a bowstring material.

BCY manufactures and supplies products in accordance with these specifications. If used correctly, the material will serve the purpose for which it was intended as a bowstring or as a serving material. All BCY products are extensively tested and offer a full range of material for the archery market. There are many variables which can significantly effect performance of the bowstring material. Some examples include number of strands and/or of twists, type of serving material, tightness of serving material, width of cam grooves on bow, amount of lubrication, type of release, condition of cam wheel, yoke system on cables, degree of string maintenance. As BCY cannot control these variables, BCY cannot accept responsibility for problems arising from strings, cables or servings.

Model Status: Superseded

The BCY 8125 Dyneema Thin bowstring 1-4 lb black has been replaced by the
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