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PBR
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Rear ergal sprocket 520 chain PBR for GasGas EC 250 00-15
Rear ergal sprocket 520 chain PBR for GasGas EC 250 00-15 Rear ergal sprocket 520 chain PBR for GasGas EC 250 00-15 Rear ergal sprocket 520 chain PBR for GasGas EC 250 00-15

Rear ergal sprocket 520 chain PBR for GasGas EC 250 00-15

Product code: 702L_dpp_4

Availability: In stock

Regular Price: €48.96

Special Price €36.72

-25%

€48.96

€36.72

-25%

Previous price €36.72
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In the SHOPPING CART you will find the estimated shipping date for your order.

The ORDER will be shipped when all the products are ready.



When the product is not available from manufacturer/supplier, or when the product is on request and the manufacturer need to produce it, delivery time can may vary and will be communicated to you by our order department when taking charge of the order.

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Standard ratio beta rr 4t. enduro 350 11-12: 50
Standard ratio beta rr 4t. enduro 400 05-10: 50
Standard ratio beta rr 4t. enduro 450 05-12: 50
Standard ratio beta rr 4t. enduro 520 05-10: 48
Standard ratio gas gas ec - fse 400 02-09: 48
Standard ratio gas gas ec - fse 450 03-12: 48
Standard ratio gas gas ec / xc 125 09-13: 48
Standard ratio gas gas ec 125 00-06: 52
Standard ratio gas gas ec 200 00-14: 51
Standard ratio gas gas ec 250 00-01: 47
Standard ratio gas gas ec 250 02-15: 48
Standard ratio gas gas ec 300 00-01: 47
Standard ratio gas gas ec 300 02-14: 48
Standard ratio gas gas sm - fse 400 02-07: 42
Standard ratio gas gas sm - fse 450 03-05: 42
Standard ratio gas gas sm 125 03-04: 43
Standard ratio husqvarna cr 125 00-00: 48
Standard ratio husqvarna cr 125 01-13: 50
Standard ratio husqvarna cr 125 90-94: 50
Standard ratio husqvarna cr 125 95-97: 50
Standard ratio husqvarna cr 125 98-99: 50
Standard ratio husqvarna cr 250 01-04: 48
Standard ratio husqvarna cr 250 90-91: 50
Standard ratio husqvarna cr 250 92-00: 48
Standard ratio husqvarna cr 360 92-94: 48
Standard ratio husqvarna sm supermotard 125 01-08: 49
Standard ratio husqvarna sm 450 03-06: 45
Standard ratio husqvarna sm r 511 11-12: 43
Standard ratio husqvarna smr 449 11-12: 43
Standard ratio husqvarna smr 450 08-10: 42
Standard ratio husqvarna smr 510 05-05: 48
Standard ratio husqvarna smr 570 01-04: 48
Standard ratio husqvarna smr 630 05-06: 45
Standard ratio husqvarna sms 2t 125 09-11: 49
Standard ratio husqvarna tc 250 02-04: 50
Standard ratio husqvarna tc 250 05-07: 50
Standard ratio husqvarna tc 449 11-12: 53
Standard ratio husqvarna tc 450 02-07: 50
Standard ratio husqvarna tc 450 08-10: 50
Standard ratio husqvarna tc 4t 250 10-13: 50
Standard ratio husqvarna tc 510 02-05: 50
Standard ratio husqvarna tc 510 06-07: 46
Standard ratio husqvarna tc 510 08-10: 47
Standard ratio husqvarna tc 510 90-91: 52
Standard ratio husqvarna tc 570 01-03: 52
Standard ratio husqvarna tc 610 91-97: 52
Standard ratio husqvarna tc 610 98-00: 52
Standard ratio husqvarna te 250 02-04: 50
Standard ratio husqvarna te 250 05-09: 50
Standard ratio husqvarna te 310 09-10: 50
Standard ratio husqvarna te 310 11-13: 50
Standard ratio husqvarna te 350 90-90: 50
Standard ratio husqvarna te 350 91-91: 50
Standard ratio husqvarna te 350 92-97: 48
Standard ratio husqvarna te 400 01-02: 48
Standard ratio husqvarna te 449 11-12: 51
Standard ratio husqvarna te 450 02-06: 50
Standard ratio husqvarna te 450 07-07: 50
Standard ratio husqvarna te 4t 250 10-13: 50
Standard ratio husqvarna te 510 04-07: 50
Standard ratio husqvarna te 510 08-10: 47
Standard ratio husqvarna te 510 90-91: 48
Standard ratio husqvarna te 511 10-13: 51
Standard ratio husqvarna te 570 01-04: 48
Standard ratio husqvarna te 610 06-09: 45
Standard ratio husqvarna te 610 91-98: 48
Standard ratio husqvarna te 610 99-00: 48
Standard ratio husqvarna wr 125 90-94: 52
Standard ratio husqvarna wr 125 95-97: 51
Standard ratio husqvarna wr 125 98-13: 50
Standard ratio husqvarna wr 250 01-06: 48
Standard ratio husqvarna wr 250 07-13: 48
Standard ratio husqvarna wr 250 90-00: 48
Standard ratio husqvarna wr 300 09-09: 48
Standard ratio husqvarna wr 300 10-10: 50
Standard ratio husqvarna wr 300 11-12: 48
Standard ratio husqvarna wr 360 01-03: 48
Standard ratio husqvarna wr 360 93-00: 48
Standard ratio husqvarna wre 125 04-06: 49
Standard ratio husqvarna wre 125 09-11: 49
Standard ratio husqvarna wre 125 98-98: 50
Standard ratio sherco sef250r 16-16: 48
Standard ratio sherco sef300r 16-17: 48
Standard ratio sherco sef450r 16-17: 50
Standard ratio sherco se-r 125 17-17: 51
In the list above, when not indicated, the item is for standard chain.

PBR manufacturers in Italy and sells motorcycle sprockets (front and rear sprockets, chains and complete kits) and wide range of accessories (handlebars, clip-on handlebars, handlebars weights, handlebar clamp kits, bike stand knobs, chain grease and cleaner, crash pads and mecdraulic).
We take part at the most important national and international competitions and events.
Thanks to our presence on the international markets, our well-know brand, our competence and our service we are the first choice of the major market operators.
All this could be enough to sum up our activity during the last quarter of century, but it is also right to mention that this is the result of years of research and development, tests, technical improvements, careful selection of raw materials and production processes, combined with the manual ability of specialized craftsmen along with the high precision of CNC industrial technologies.As a result, special productions of prototypes and models for racing purposes are possible together with series production capacity for the industrial market.
 
 
Remember to select the right ratio in the products options.
 
Front Sprockets (counter shaft) are  made of chromoly steel, machined all over for accuracy. Many of these are available drilled and machined for lightness. (normally 520 and 415)

Rear sprockets are essentially two types: stainless steel and aluminum.
Every sprocket is made on precision, computer controlled equipment. The teeth are machined to the latest standards, for maximum chain life and more efficient power transmission. The teeth and the outside diameter are cut at the same time. This makes sure the teeth are concentric to the sprocket center.
Every sprocket is made from heat treated 7075-T6 aluminum, hard anodized finished for extra durability

  • Steel: ideal replacement of the OEM part, where quality is not better is the same of the original.
    Every sprocket is heat treated through an induction hardening then tempered to produce exactly the correct hardness for durability and efficient power delivery. To correct any distortion that may have occurred during these stages, the sprockets are put through a special flattening machine. For corrosion resistance, the steel sprockets are bright zinc plated.
     
  • Aluminum: the max for those who want to light final transmission or have on board an accessory that on expert riders have. Usually we have on stock 520 or 415 sprockets but original pitch could be ordered.
    Made from heat treated 7075-T6 aluminum we offer them only hard anodize finished for an extend life time.
Example front sprockets machined for lightness:
 
Example rear stell sprocket:
 
Example rear ergal sprocket:
 
Example rear ergal colored sprocket:
 
Example rear ergal hard racing sprocket:
 
 
 
 
 
 

By choosing the ratios, 1 front sprocket cog is equal to about 3 rear sprocket cogs (the exact ratio is given by: number of rear sprocket teeth / number of front sprocket teeth).
The above stated, ratios have to be chosen in a way that a max. difference of 2 cogs is not exceeded. This way, you can always keep the same chain length. The Kawasaki ZX-10R Ninja is an exception: a rear chain with over 1 tooth more than the stock one cannot be used, since length of stock chain will not allow that. Remember that if you want more acceleration you have to mount a rear sprocket with more toothing, or a front sprocket with lower toothing. Ratios have to be necessarily and exclusively chosen by yourself. It is usual to mount a rear sprocket with 2 teeth more than the stock one, but that is however a medium choice which does not mean to be satisfying to everybody.
In a circuit, generally the right final ratio will be that allowing to achieve, at the highest gear, about 200 rpm more than the max power rate, always staying 200 / 300 rpm under the maximum rate the engine can reach. This way, you can take advantage of the trail of the driver who is preceding you.
Choosing the final ratio, remember that the bigger it is, the more the acceleration will be. But if it is too big, you will lose speed. If on the contrary the ratio is too small, you will lose acceleration and will not manage to reach the maximum speed.

If your final transmission has exceeded 5000 km, we advise not to change only one of the three components, but to change them altogether (chain,rear and front sprockets). This, because final transmission would otherwise deteriorate in very few kilometres.

For the best working and longer duration of the transmission, it needs to be cleaned and lubricated every 1000 Km at least, using our specific cleaner and lubrificant for chains that you find here.

PBR's catalogue

Compatible model years
GasGas EC 250 2000
GasGas EC 250 2001
GasGas EC 250 2002
GasGas EC 250 2003
GasGas EC 250 2004
GasGas EC 250 2005
GasGas EC 250 2006
GasGas EC 250 2007
GasGas EC 250 2008
GasGas EC 250 2009
GasGas EC 250 2010
GasGas EC 250 2011
GasGas EC 250 2012
GasGas EC 250 2013
GasGas EC 250 2014
GasGas EC 250 2015
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