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Supersprox Rear Stealth Alloy MX RAL-245-48-BLU 3424548SAB

Supersprox rear Stealth sprocket. £34.14 RRP Inc VAT.
+ In Stock Now | Usually dispatched within 24 hours
Order within for delivery from Thursday 22nd October
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Supersprox-stealth means longer life, without compromising weight. They last 3 times longer than an all aluminum sprocket and remain as light as possible. It’s about performance and function first and last.

Supersprox-stealth is infinitely better than steel! You just can’t achieve this level of strength on a steel sprocket with the same weight. Sure, there are light steel sprockets out there, but they can’t handle the torque. Pound (lb) for foot pound (ft/lbs), Supersprox-stealth is the best.

Try to ride 20,000 miles on a Hayabusa with an aluminium sprocket or the whole Dakar rally on one sprocket. What about the Baja 1000? These are extremes and factory teams actually buy Supersprox-stealth for these gruelling challenges. Don’t waste your money on aluminium, invest in Supersprox-stealth.

This might sound like an unusual question, but there’s a lot of misinformation out there. When you think about bearings for an example. They`re steel on steel and that works great. Steel on steel is the best combination. So when a dealer tells you steel teeth can damage your chain, ask yourself if they only sell aluminium sprockets. We guarantee our sprockets. If they don’t do what we claim, you can have your money back.

There is no doubt, riveting is the only possibility for fixing such a high performance sprocket. We know how to use this technology, forging rivets into the sprockets. We have never had one single rivet break since starting to produce these sprockets. That’s over 6 million rivets in the past 20 years.

Its perfect for any bike up to 1400 cc. Do you have a powerful 4 stroke or performance street bike? Covering high mileage or road racing, then this is your best option. A single sprocket can last more than 20,000 miles (See maintenance instructions).


  • Yamaha YZ125 1999 2001
  • Yamaha YZ125 2005 2019
  • Yamaha YZ250 F 2001 2006
  • Yamaha YZ450 F 2003 2004
  • Yamaha YZ450 F 2010 2013
  • Yamaha YZ450 F 2015 2019
  • Teeth:
  • Material:
  • Centre:
  • Colour:
  • Position:


  • Yamaha: TT 600 B, TT 600 D, TT 600 E, TT 600 F, TT 600 G, TT 600 H, TT 600 J, TT 600 K, TT 600 L, YZ 250 F, YZ 450 FA, YZ 450 FB, YZ 450 FD, YZ 450 FF, YZ 450 FG, YZ 450 FH, YZ 450 FJ, YZ 450 FK, YZ 450 FR, YZ 450 FS, YZ 450 FZ
For full fitment details in a searchable list please check the FITMENTS tab.

Product FAQs
Can I request a special sprocket / size that isn't available?

Yes Supersprox provide a special sprocket request service, make your request using the special sprocket request service form here


Standard Delivery

Orders will be despatched as follows: To business addresses only; £7.50 (Exc VAT) delivery charge (subject to change depending on account level); Free delivery with net order values of £100 and over (Exc VAT) to the UK Mainland; Orders to N. Ireland/Eire/Isle of Man/Scilly Isles by arrangement; other destinations phone for details; Typical delivery times of 1-2 working days.

Where possible, the Company will endeavour to meet special delivery requirements subject to any additional cost being borne by the Purchaser

Unfortunately, we do not delivery to addresses outside of mainland UK without prior agreement. Without prior agreement you may place an order for Products from outside the UK, but this order must be for delivery to an address in mainland UK unless arranged otherwise prior to your order.

Pallet Charges

Larger items may incur additional carriage charges, including but not limited to 4x4 and SUV tyres.


Read our full delivery policy here

Yamaha YZ 450 FR 2003
Yamaha YZ 450 FS 2004
Yamaha YZ 450 FF 2015
Yamaha YZ 450 FG 2016
Yamaha YZ 450 FH 2017
Yamaha YZ 450 FJ 2018
Yamaha YZ 450 FZ 2010
Yamaha YZ 450 FA 2011
Yamaha YZ 450 FB 2012
Yamaha YZ 450 FD 2013
Yamaha TT 600 H 1989
Yamaha TT 600 J 1990
Yamaha TT 600 K 1991
Yamaha TT 600 L 1992
Yamaha YZ 250 F - 4T 2003
Yamaha YZ 250 F - 4T 2004
Yamaha YZ 250 F - 4T 2005
Yamaha YZ 250 F - 4T 2006
Yamaha YZ 450 FK 2019
Yamaha TT 600 B 1984
Yamaha TT 600 D 1985
Yamaha TT 600 E 1986
Yamaha TT 600 F 1987
Yamaha TT 600 G 1988
Yamaha YZ 250 F - 4T 2001
Yamaha YZ 250 F - 4T 2002
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