About Nitro Strings

Nitro recurve and compound bowstrings are made in the UK by experienced staff using machinery imported from the USA, capable of pre-stretching the strings with up to 300lb of pressure and twisting then serving them whilst under that pressure. The result is a bowstring with complete stability from the 1st shot.

Nitro strings are available predominantly using BCY’s 452X, 8125G, 8190 and BCY-X material. These materials have a proven track record and are considered to be the highest performing materials available. Brownell’s Fastflight Plus material is also available.

452X, 8125G, 8190 and BCY-X materials are available in a variety of colours and are also available as single or two tone strings. Two tone strings are made using equal number of strands for each colour. You will find on all of these strings, the colour and effect will remain consistent and in order throughout the entire length.

Nitro Recurve strings

As standard, our recurve strings are made with BCY 2X 0.015” loop and end serving in black or white. Standard centre serving is BCY #62XS Braided serving in black.

All of our recurve strings are made to fit small groove nocks (e.g. Nitro small groove insert and pin nocks, Easton small groove G and pin nocks and Beiter **/1) as standard.

String lengths and strand count as standard is as follows:

Recommended String Lengths
64” Bow 60 7/8” String Length
66” Bow 62 7/8” String Length
68” Bow 64 5/8” String Length
70” Bow 66 3/4” String Length
72” Bow 68 3/4” String Length

Strand Count
Material 64” bow 66” bow 68” bow 70” bow
Fastflight Plus 16 strand 18 strand 18 strand 18 strand
8125G 16 strand 16 strand 16 strand 16 strand
8190 20 strand 20 strand 20 strand 22 strand
BCY-X 20 strand 20 strand 20 strand 22 strand

We have found these string lengths and strand counts suitable for the majority of bows, however, some models may require slightly longer or shorter lengths.

All Nitro recurve strings are twisted anti-clockwise from the bottom and the string is twisted before serving is applied. We therefore recommend that the twists are kept in the same direction and that no more than 6 twists are removed from the strings starting position to ensure that servings do not separate.

Nitro Compound Strings

All Nitro compound strings and cables are made to order depending on the requirements of the bow. BCY 452X, 8190 and BCY-X are used as standard on compound strings and cables, as these have less creep than any other material, thus ensuring that cable timing is kept to a minimum. Our technology ensures that the bowstring will suffer virtually zero peep rotation.

Cam serving is available in transparent effect in BCY 2X serving to allow the string colour(s) to show through. BCY #62XS serving is used for centre serving and as standard, the centre is served for using large groove nocks (e.g. Nitro large groove insert and pin nocks, Easton large groove “G”, Pin and G-pin nocks and **/2 Beiter nocks).

As standard, all Nitro yoke cables are made using an 8” split yoke. We recommend this yoke over the soft yoke as the two sides can be twisted independently to manipulate / correct cam lean. Soft yoke systems can be provided upon request.

We can also apply a cable saver, a protective cover applied over the cables to run through the cable slider. This is proven to protect the cables from damage caused by running through the cable slider, whilst minimising friction and suffering no loss of speed. We do recommend that Hoyt cable sliders are used with the cable saver.

String Colour Options:

BCY 452X, 8125G, 8190 and BCY-X materials are available in the following colours:

Black Fluorescent Purple
Natural/White Fluorescent Pink
Silver Fluorescent Green
Red Fluorescent Yellow
Blue Fluorescent Orange

Dark green is also available in 452X.

The BCY 452X, 8125G, 8190 and BCY-X materials can also be made up as 2 tone strings.

Brownell Fastflight Plus is available in Black or White.

Brownell Fastflight Plus can also be made up as a Black/White 2 tone string.


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