Rear Sprocket Sitta - 42 teeth (pitch 520) - Aprilia Pegaso 650 ie Strada / RS 125 Extrema/Replica / RSV 1000 Mille / 1000 R - J

Aluminum rear sprocket 42 teeth pitch 520 for Aprilia Pegaso 650 ie Strada (2005-2010) / Aprilia RS 125 Extrema/Replica (1995-2002) / Aprilia RSV 1000 Mille (1998-2003) / Aprilia RSV 1000 R (2004-2010) / Aprilia RSV 1000 R Factory (2004-2010) / Aprilia RSV 1000 R Mille (2000-2003) / Aprilia RSV 1000 R Tuono (2003-2005) / Aprilia RSV 1000 R Tuono Factory (2004-2005) / Aprilia RSV4 1000 Factory (2009-2011) / Aprilia RSV4 1000 Factory ABS APRC (2013-2015) / Aprilia RSV4 1000 Factory APRC (2011-2013) / Aprilia RSV4 1000 R (2010-2013) / Aprilia RSV4 1000 R ABS APRC (2013-2015) / Aprilia RSV4 1000 R APRC (2011-2013) / Aprilia RSV4 1000 RF Racing Factory LE ABS (2017-2019) / Aprilia RSV4 1000 RR ABS (2015-2018) / Aprilia SL 1000 Falco (1999-2004) / Aprilia Tuono 1000 R (2007-2012) / Aprilia Tuono 1000 R Factory (2007-2011) / Aprilia Tuono 1000 V4 R (2011-2013) / Aprilia Tuono 1000 V4 R ABS APRC (2013-2014) / Aprilia Tuono 1000 V4 R APRC (2011-2013) / BMW G 650 Xmoto (2007-2010) / BMW G 650 Xmoto ABS (2007-2010) / Derbi 659 660 Mulhacen Cafe Gussrad (2010-2011) / Derbi 659 660 Mulhacen Nieto Gussrad (2011) / Derbi 659 660 Mulhacen Speichenrad (2007-2010).

Specifications:
- JT Twinstar - Hybrid sprocket made of steel/aluminum;
- JT Twinstar sprockets are manufactured from a combination of durable steel and lightweight aluminum;
- the inner circle made from a special aluminum alloy has a strength approximately 11 times greater than that of pure aluminum and thus nearly reaches the strength of steel;
- the chain itself runs on the steel sprocket;
- this results in a perfect combination of weight reduction and longer service life;
- experience shows that JT Twinstar sprockets have a lifespan approximately three times greater than pure aluminum sprockets;
- they are 50% lighter than steel sprockets;
- JT Twinstar sprockets are among the highest quality and most technically advanced sprockets in the world;

Technical data:
- chain pitch: 520;
- inner diameter: 134 mm;
- mounting diameter: 160 mm;
- hole: 10.5/8.5 mm;
- number of mounting holes: 6;
- screw type: flat head;
- number of teeth: 43;
- sprocket material: twinstar;
- color: gold/black;
- manufacturer: JT.

The complete application list can be found below.