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Ironman sprockets

Ironman Sprockets

Ironman Sprockets logo

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Ironman Sprockets are the only sprockets with a ONE YEAR WEAR GUARANTEE!  It does not matter if your Ironman Sprockets are used for racing supercross on your YZ 450F, for trail riding on your CRF 250X, for super moto on your CRF 450R or for outdoor motocross on your YZ 250F; no matter what year, make and model, 2-stroke or 4-stroke, if you wear your Ironman sprockets out in less than one year you will receive replacements absolutely free!  No other manufacturer dares to offer such a warrantee, because no other sprocket performs or lasts like an Ironman sprocket. 

Absolutely the toughest racing sprockets made; these high-tech sprockets are designed to be nearly as light as aluminum but 5X stronger.  The high tech design optimizes stress distribution and allows the sprocket to be manufactured using a minimal amount of high strength steel.  As a result the Ironman sprockets are very light weight but incredibly strong and wear resistant.  

 

Ironman Sprockets on Honda

Click the image to the left to view a weight comparison between a JT Sprockets steel sprocket, an Ironman sprocket and a Sunstar aluminum sprocket.  

Click on the picture to the right to see Ironman Sprockets installed on a YZ250 (foreground) and YZ426 (background).  Ironman Sprockets on Yamaha

  • Designed using 3D modeling software to optimize stress distribution and weight savings
  • Manufactured on a $750,000 CNC laser cutting machine that is accurate within .001" 
  • Heat treated to the hardness of a Snap-On brand wrench
  • Nickel plated for corrosion resistance and additional wear protection
  • Front sprockets are made of shock-resistant die steel, much stronger than "case hardened" steel
  • Front AND rear sprockets are covered by a 1 year wear guarantee 
  • $99.99 rear (click here to order rear now)
  • $34.95 front (click here to order front now)
  • Lowest price guarantee - Find Ironman sprockets for a lower price any where else online and we will match that price plus ship them free!
  • Typically ships within 24 hours of your order

Rear Sprocket Bolts w/nuts (Grade 10)

 

Set of 6 Grade-10 sprocket bolts $8.99

(Free shipping only with sprocket order) 

Chain Packages

All chains size 520 120L

Chain Price

Combo prices

Add parts to your cart separately

Regina RX3 non o-ring chain, ideal for motocross, gold color.  Includes 1 clip-style master link.

120 Links $64.95

 

(Extra RX3 Master Link $4.00)

Sprockets & Chain total

$199.62

Regina ORN6 o-ring chain, ideal for off-road, longer wear than RX3, gold color. Includes 1 clip-style master link.

120 Links $73.95

 

(Extra ORN master link $5.00)

Sprockets & Chain total

$208.89

Regina ZRH z-ring chain, top of the line Regina, ideal for motocross and off-road, superior wear resistance, gold color.  Includes 1 clip-style master link.

120 Links $89.00

(Extra ZRH Master Link $6.00)

Sprockets & Chain total

$223.94

 

  Ironman Rear Sprocket $99.99 

Bike Model

KTM 85 (all) 
KX 85 (all) - requires 428 chain
YZ 85 (all) 
CRF 150R (all)  - requires 428 chain
CR125, CR250, CRF/X250, CR500, XR250, XR400, CRF450, XR650R (1984-2011) 
FourTrax 250/300/400/450 (1986-2004) 
KX, KXF, KDX, KLX , 125+ (1984-2011)

RM-Z 250 (through 2006)

YZ, WR, YZF, WRF 125, 250, 426, 450 (1999-2011)
Warrior (1989-2004)
Banshee(1989-2004)
Raptor(2001-2004)
RM, RMX, DR, DRZ 125+ (1987-2011)

RM-Z 450 (2006-2011)

ATK 250, 260L, 350, 490, 500, 605

All KTM 125+ (1991-2014)

All Husaburg (2000-2014)

Husqvarna, Gas-Gas (1990-2011) Most models
Honda Quads TRX 450R (all), 450ER (all), 400X (all), 400EX (all), 300X (all)

 

  Ironman Front Sprocket $34.95

Bike Model
XR650R (All years)  ($39.95 for XR650R due to manufacturing costs for this model)
Honda CR125  (1987-2003 )
Honda CR125, CRF 250, CRX 250 (2004-2011) 
Honda CR250, CR500, CRF450 (1988-2011)
Yamaha YZ125, (1987-2004)
Yamaha YZF250, WRF250 (2001-2011)

Yamaha YZ125 (2005-2011)

Yamaha YZ250, YZF, WRF 400, 426, 450 (1999-2011)    

Kawasaki KX250 (1999-2011)

Kawasaki KXF450 (all-2011)

Kawasaki KX125 (1994-2011)
KTM All 2-strokes (1988-2014)

KTM All 4-strokes (1999-2014)

Suzuki RM125 (1986-2011)

Suzuki RMZ250 (2007-2011)

Suzuki RM250, DR (1982-2011)
Suzuki RMZ250 (2004-2006)

Kawasaki KXF250 (2004-2005)

Suzuki RMZ450 (2005-2011)
GasGas (All)

Final Ratio

 

(Courtesy of the Ironman Sprockets web site)

12 13 14 15 16 17
40 3.33 3.08 2.86 2.67 2.50 2.35
41 3.42 3.15 2.93 2.73 2.56 2.41
42 3.50 3.23 3.00 2.8 2.63 2.47
43 3.58 3.31 3.07 2.87 2.69 2.53
44 3.67 3.38 3.14 2.93 2.75 2.59
45 3.75 3.46 3.21 3.00 2.81 2.65
46 3.83 3.54 3.29 3.07 2.88 2.71
47 3.92 3.62 3.36 3.13 2.94 2.76
48 4.00 3.69 3.43 3.20 3.00 2.82
49 4.08 3.77 3.50 3.27 3.06 2.88
50 4.17 3.85 3.57 3.33 3.13 2.94
51 4.25 3.92 3.64 3.40 3.19 3.00
52 4.33 4.00 3.71 3.47 3.25 3.06
53 4.42 4.08 3.79 3.53 3.31 3.12

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