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Suitable for your bike Home > Products > Rear Sprocket > RFE > SUPERSPROX STEEL REAR SPROCKET RFE-823:39-BLK

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SUPERSPROX STEEL REAR SPROCKET RFE-823:39-BLK

Product Extra Information

Material Steel
Chain 520
Teeth 39
Color Black
Inner diameter (ID) 87
Pitch circle diameter (PCD) 110
Bolt hole 10.5
Type RFE
Product Application
ModelFrom yearTo Year
125 WR Enduro19841989
240cc and bigger19801988
250 V-Storm20172021
350 FC19901995
350 FC 4 Speed19962001
350 FC 6 Speed19972001
400 FC19901999
400 FC 4 Speed20002001
400 FC 6 Speed19971999
400 FC 6 Speed20002001
400 FE19961999
400 FE e20002003
450 FC20042006
450 FE-e20042008
450 FS-e Supermoto20042008
470 FC20012001
500 FC19901999
501 FC20002001
550 FC20032004
550 FC20052006
550 FE-e20042008
600 FC19901999
650 FE-e20032008
650 FS-e/FS-c20032008
All Except 125cc19831987
DL 250 V-Strom20172021
GS 500 E-R, S, T, V, W (2 CYL)19941998
GS 500 F19992008
GS400 E GK54A00
GSF 600 BANDIT & GSF 600 S Bandit (520 conv.)19952004
GSF-650 S - KS Bandit (520 conv.)20052006
GSF-650 S - KS Bandit (520 conv.)20072012
GSF-650 SA-L2/L3 Bandit (ABS) (520 conv.)20122013
GSX 600 F Katana (520 conv.)19982006
GSX 600 FN, FP, FR, FS, FT, FV (520 conv.)19891997
GSX 750 (520 conv.)19891997
GSX 750 F Katana (520 conv.)19982006
GSX-650 F (520 conv.)20082016
GSX-650 F/FA-K8,K9,L0,L1,L2,L3,L4 (520 conv.)20082015
GSX-R 250 (250 Gixxer)20182021
GSX-R1100 J (530 conversion) (520 conv.)19881988
GSX-R750 F GR75A (520 conv.)19851985
GSX-R750 G, HG, H, XH GR75A (520 conv.)19861987
GSX-R750 K, AK GR77C (520 conv.)19881990
GSX-R750 R2, RH, RR (GSX-R750) GR71G (520 conv.)19871987
GSX250 R20172021
GW250 L2.L3,L4,L5,L6 Inazuma F,Z20122021
RF600 RR/RS GN76A (520 conv.)19931995
RF600 RT, RV (520 conv.)19961997
SV 650 A-L6 ABS20162021
SV 650 S, SF, SF ABS (520 conv.)19992008
SV 650 XA (ABS)20182021
VZ 800 MARAUDER V, W, X, Y, K1 (520 conv.)19972004

Select option below to choose diffent teeth and color

Each order from 220PLN value of goods, indlude free shipping inside Poland. If order total is less then 220PLN, shipping cost will be calculated.

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single product rating

18.82

In Stock

Excl. 23% VAT and Shipping

DESCRIPTION

Product Description Image

Available in colors

Colors

Check your bike model for availabe color. More color options in Custom sprocket Section

Category Description

Why Supersprox Racing Steel

  • CAD Designed and CNC Laser cut to ensure an exact fit.
  • One of the lightest all steel sprockets on the market.
  • The steel theet last 3 times longer than aluminum.
  • Developed on the race track to give longer system life and high performance.
  • Include our exlusive 2x zink for anti corrotion and black finish.
  • Special tooth design increases chain contact and significantly extends the sprocket life.

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In Stock

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FAQ: Frequently asked questions

Products FAQs

Return policy

Unused items in saleable condition purchased from our eShop may be returned within 30 days of the purchase date for a credit to the card on which they were originally purchased. Returned goods will only be accepted with prior authorization. For more detailed return policy click here.

I received a damaged product

If the sprocket you purchased is damaged please make images and send to us by email and one of our representative will connect with you within 48h.

Exchange

Exchange of the sprocket is possible only if the sprocket is not used and purchased from our eshop directly. Return sprocket will be fully refunded (excluding shipping) and a new order for the exchange sprocket has to be placed on our eshop.

Warranty

All sprockets are guaranteed against defects in material and workmanship. Because we cannot control the application of our sprockets, buyers assume risks for any and all damage caused to themselves and others due to any failures. No warranty, expressed or implied, is made. Sprockets are designed and manufactured to be used specifically on the models listed in our catalog. Clearances must be checked before ordering different size sprockets than originally came on the machine. Chains are guaranteed in accordance with the manufacturer’s own terms of warranty. All products leave our warehouses in good condition, therefore if you receive an item that is not in good condition it should be immediately reported.

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    Shipping methods

    Each order from 220PLN value of goods, indlude free shipping inside Poland. If order total is less then 220PLN, shipping cost will be calculated.

    Gear Ratio

    GEAR RATIO EXPLAINED

    Gear ratio explained. The gear ratio, is the ratio of turns made by one gear, compared to the other gear, when the gears are connected by a chain. An example of gear ratio will be with one gear of 10 teeth and the second gear of 20 teeth, giving a ratio of 2 (20/10=2). To calculate the ratio, devide the number of teeth on the rear sprocket, by the number of teeth on the front sprocket and the resulting number is your gear ratio.
    Why do you need to know your gear ratio? It might be, that your bike is not performing as you would like and a change in gear ratio might help the performace.
    GEAR DOWN. An example of this would be, that the bike is difficult to start in first gear and the clutch needs to be used more than you would like. You have plenty of top end speed, but need more slow speed control. The answer, might be to GEAR DOWN the bike. You can do this by adding more teeth to the rear sprocket or reducing the number of teeth on the front sprocket.
    GEAR UP. The opposite situation, might be that the bike has lots of power, but is reaching the rev limiter in top gear and you would like to reduce the revolutions at a particular speed. To do this, you would need to GEAR UP the bike. By reducing the number of teeth on the rear sprocket or increase the number of teeth on the front sprocket.
    Diameter of gear. Each tooth added or taken away from a sprocket, will reduce the diameter of the sprocket by a given amount. For simplicity, you can think about 5mm change on the diameter, for each additional or reduced tooth. This will help understanding in relation to space requirements for gear ratio changes.
    Chain length. The addition of teeth to the sprocket, may require a longer chain or changing the position of the rear wheel, by moving that backwards or forwards. It will depend on the addition or subtraction of sprocket teeth. This can be calculated by considering the chain pitch. For simplicity, you can think about each chain link requiring 16mm length (actually 520, 525, 530 chains require 15.875mm per link to be exact). But the chain is going around the rear sprocket and the front sprocket, so the important number would be the change in diameter of the sprocket and not the chain length. An example would be to remove one tooth from the rear sprocket. This would make the chain more loose and to correctly adjust the chain, you would need to move the rear wheel backwards (away from the small sprocket) by 5mm. This movement would compensate for the change in diameter. Due to chain construction, it is not possible to remove only one link and it is neccasary to remove even numbers of links (2, 4, 6, 8 etc).

    Product Video

    Custom Product Teeth