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Item #174715
Sunstar 520 Steel Rear Sprocket
$30.99 - $100.99
Sunstar 520 Steel Rear Sprocket Item # 174715

Description
Sunstar is the largest OEM supplier of sprockets and brake rotors in the world. In fact, your motorcycle probably came from the factory with a Sunstar sprocket.
Features:
- Constructed of the highest-quality 1045 high-carbon steel
- Exclusive heat treatment for added strength and wear resistance.
- Most are zinc plated and have a baked on durable paint process for corrosion resistance.
- The strongest, longest lasting steel replacement sprocket available.
- Nearly all motorcycles come equipped from the factory with this sprocket.
- *Note: Part is bike specific, may vary from image.
Downloads:
Part Numbers for Sunstar 520 Steel Rear Sprocket
Fitment for Parts Sunstar 520 Steel Rear Sprocket
This part fits the following vehicles:











Reviews
Rated 5 out of
5
by
mlatour from
Durable, good value
I use Sunstar steel rear sprockets on both my bikes. Very durable when combined with a quality chain (ideally a DID VT2 sealed chain). IMO these steel sprockets are a much better value for the average recreational rider than aluminium ones.
Website image is not always accurate, the sprocket isn't full but has lightening cutouts/holes just like most others, overall not much heavier than aluminium,.
Date published: 2018-11-06
Rated 5 out of
5
by
Dmac1978 from
Perfect fit and fast shipping.
Received the order in a few days and well packaged. Bolted up like OEM and works perfect.
Date published: 2017-08-09
Rated 4 out of
5
by
Heylou from
Does not include countersunk bolts
Ordered the Sunstar 48T rear sprocket for my WR250R. Cannot use the original bolts as they are not countersunk. Needed to purchase a Mooseracing sprocket lock bolt kit to complete installation. Save yourself additional shipping expenses and order the bolt kit at same time as the sprocket. Sprocket fit perfectly with the countersunk bolts.
Date published: 2017-06-25
Rated 5 out of
5
by
Nate from
Burn and turn
This sprocket totally hooks up with my chain and turns the back wheel!
Date published: 2017-02-10
Rated 5 out of
5
by
francof1 from
Crf250 Rally Rear 43 Tooth Sprocket
I decided to go with a rear 43 tooth sprocket for my 2018 Crf 250 Rally. The Sunstar quality is excellent and looks, and fits like the OEM.
Date published: 2023-01-02
Rated 5 out of
5
by
Rusty from
Great Company
I really like dealing with Fortnine. Fast and easy service! Thankyou!
Date published: 2021-08-24
Rated 5 out of
5
by
Jay p from
Solid build, very happy with it
I bought this over a month ago, it works great, excellent build quality and completely changes the way the bike rides. Easy to install, changed the chain, tire and front sprocket at the same time. Went from 13/40 to 14/48. In hind sight, I wish I had have went to a 45 or 46t instead as it revs a bit high at 80/90 km/h but it's perfect in the trails so a bit of a trade off.
Date published: 2021-08-02
Rated 5 out of
5
by
Tommy1 from
Exactly as advertised.
If your looking for a steel sprocket this will work for you. Seems to be holding up.
Date published: 2021-07-31