Lubricated transmission chain RK 420 MRU / 132 for Aprilia RS 50 / Replica (2006-2010) / Aprilia RX 50 (2009-2021) / Aprilia SX 50 SM (2014-2026) / Beta RR 50 Enduro (2003-2017) / Beta RR 50 Enduro Alurahmen (2003-2006) / Beta RR 50 Enduro Factory (2012-2016) / Beta RR 50 Enduro Racing (2007-2012) / Beta RR 50 Enduro Sport (2015-2017) / Beta RR 50 Enduro Standard (2005-2012) / Beta RR 50 Motard (2003-2017) / Beta RR 50 Motard Alurahmen (2004-2006) / Beta RR 50 Motard Racing (2007-2008) / Beta RR 50 Motard Sport (2015-2017) / Beta RR 50 Motard Standard (2009-2015) / Beta RR 50 Motard Track (2008-2017) / Derbi GPR 50 Nude (2007-2015) / Derbi GPR 50 Racing (2008-2019) / Derbi GPR 50 Replica Racing (2003-2004) / Derbi Senda 50 R DRD Pro (2007-2014) / Derbi Senda 50 SM DRD Pro (2007-2016) / Malaguti XSM 50 Motard (2008-2011) / Malaguti XTM 50 Enduro (2008-2011) / MBK TZR 50 XPower (2003-2004) / Motorhispania RX 50 R (2009-2011) / Motorhispania RX 50 Superracing (2006-2007) / Peugeot XPS 50 Enduro (2008-2012) / Peugeot XPS 50 Supermoto (2008-2012) / Peugeot XR6 50 (2006-2007) / Peugeot XR7 50 (2008-2012) / Yamaha TZR 50 (2001-2006) / Yamaha TZR 50 RR (2005).
Specifications:
- RK is the leading manufacturer of motorcycle transmission chains in Japan;
- For over 40 years, RK has supplied all renowned Japanese motorcycle manufacturers as original equipment;
- In competitions, RK is the first choice of many teams in MotoGP, motocross, or even the Paris-Dakar Rally;
- RK MRU: The MRU chain was developed for small displacement motorcycles, which are equipped for the first time with a standard non-sealed chain;
- U-ring chain;
- Prevents lubricant loss;
- Ultra-thin sealing ring;
- Extremely narrow width;
- Lifespan up to 100% longer compared to standard non-sealed chains;
Technical data:
- Chain pitch: 420;
- Length: 132 links;
- Sealing ring: U-Ring;
- Manufacturer: RK;
- Type: MRU;
- Execution: Open;
- Tensile strength (kg): 2250 kg;
- Outer link color: Steel color;
- Inner link color: Steel color;
- Link joining model: Joining link;
- Per meter link: JMT.7250751;
- Fits joining link: JMT.7250752;
- Fits hollow rivet joining link: JMT.7250753.
The complete application list can be found below.
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