Tecnifibre NRG2 Racquet String Size:17 the binding is compatible with

the binding is compatible with all NNN® and Prolink® boot soles

the HL-EL135 will run up to 80 hrs on constant mode and up to 320 hrs on flashing mode

Protective vinyl coating SLIDING DUSTCOVER protects and extends cylinder life

Pace arrow indicates whether you are riding over or under your average speed

Tecnifibre NRG2 Racquet String Size:17 the binding is compatible withWith playability so close to natural gut that you'll want to check the packet for hoof prints, NRG2 is a premium quality multifilament synthetic string. The durability benefits of the Silicon Pyrogene Lubritec additive are complemented with lasting feel and comfort providing continued performance for the discerning player. Excellent touch and feel. More playable and spin friendly than NRG2 SPL 16 but slightly less durable.