Minimalus vidinis skersmuo: 14 mm.
Maksimalus vidinis skersmuo: 17 mm.
Vidiniai dantukai (tarpai): 4 mm.
Tvirtinimo varžtų skaičius: 2.
Skylių tarpai: 28 mm.
Tipas: Standartinis.
Gamintojas: JT.
Dantukų skaičius: 14.

Tinka:
Derbi GPR 125 4T Racing 2009-2016..
Derbi Mulhacen 125 2007-2010.
Derbi Mulhacen 125 Cafe 2008-2011.
Derbi Senda 125 R 4V DRD 2010-2015.
Derbi Senda 125 SM 4V DRD 2010-2015.

The JT Sprockets production is now the largest and most modern production facility for pinions and chain wheels worldwide,

equipped with the latest generation of CNC manufacturing machines.

JT Sprockets produces the entire program of pinions and chain wheels for the aftermarket and the original equipment.

Each pinion and sprocket passes through 25 production stages and is subjected to more than ten individual quality tests in order to successfully leave production.

JT Sprockets manufactures in the right way: by turning, milling and drilling! This is the only way to achieve the highest quality with the lowest tolerances and the best profile of the teeth.

After the subsequent heat remuneration, each article is tested by hand - so JT Sprockets sets new quality standards in the motorcycle industry.