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JT
525 Front Countershaft Sprocket
$29.99 - $30.99  Sale
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MSRP $29.99-33.95
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All 2003 Aprilia RSV Mille R Parts
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Product Description
JT 525 Front Countershaft Sprocket
  • JT Sprockets are made exclusively from the finest Japanese 545C high carbon steel
  • Heat treated and hand finished to meet or exceed OEM standards
  • Outlasts any mild steel or surface hardened sprocket as much as two and three times over
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Customer Reviews
Average Rating -  Based on 9 Review(s)
Fit   4.8
Features   4.8

Finish   4.8
Cost Benefit   5.0

Durability   4.3
Overall   4.7
Latest Reviews
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Josh Blue Springs,  MO Sprocket Installed within minutes and made a huge difference compared to stock on the bike.
Fit   4.0
Finish   5.0
Durability   4.0
Features   4.0
Cost Benefit   5.0
Overall   4.4
James Columbia,  SC Good Buy Cant find anything wrong with the JT sprocket. Very nice buy for the money
Fit   5.0
Finish   4.0
Durability   4.0
Features   4.0
Cost Benefit   5.0
Overall   4.4
Matt duncannon,  PA ZX7R -1 Sprocket It fit great and it was cheap. Huge gains in acceleration. Can’t really comment on durability, only have about 500 on it but its steel and should last.
Fit   5.0
Finish   5.0
Durability   3.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
Dick Stevens St. Louis,  MO looks like OE Bolted straight on. Great price. Durability unrated too soon to tell.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Jonas B. Minnetonka,  MN Helped wake up the 06' F4i JT Sprockets came recommended to me. I purchased it and went one down on the front. It woke the bike up in the mid range and off the line. It threw the speedo off 10% exactly; so 66 mph on the dash is 60 mph, 88 on the dash is 80, and so on. It fit well, too early to tell how long it'll last. It also helps the bike wheelie a little easier too. This should have been the stock gearing, it puts the engines power more where you need it. Now I just need a speedo healer. The Superstore got it here right when they said they would.
Fit   4.0
Finish   4.0
Durability   3.0
Features   5.0
Cost Benefit   5.0
Overall   4.2
Luke CHICAGO,  IL JT 525 15tooth sprocket Good quality hardened steel, recommend changing this on every bike going down 1 tooth makes a nice difference on the bike. My speedometer is off by about 5mph on my CBR F4. But this is what the bike should have been running out of the factory.... if you want even more pickup order a larger rear sprocket to complete the transformation
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
One-Shot Washing,  DC JT-25 Front Countershaft Sprocket Was a little apprehensive about installing the front sprocket at first, but it was incredibly easy. My CBR 600 F4 has low-end torque that is crazy now, but I am going to need a "Speedo Healer" to get my speedometer correct again (about 10 mph off). Very economical way to tap in to your motors potential. I would recommend to anyone wanting to better their "holeshot".
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Jason peyton,  British Co Front sprocket Works great!
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Kirk Clark Martinsburg,  GA JT Sprocket GREAT OEM replacement! Very strong and at a low price! It surprised me!
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