Overview
The JRZ Cobra Black Steel Runners offer absolutely incredible performance and durability thanks to a number of factors. The first is that JRZ manufactures their steel with accurate precision on each and every single one of their runners, ensuring players have a consistent 10 ft. neutral pitch radius and a premium quality product.
The second factor is the Diamond-Like Coating (DLC) blade finish, which provides resilient strength against nicks, chips, corrosion, and scratches. This coating also helps to hold an edge longer and even improves glide so that players can retain more energy shift after shift.
JRZ also designed added height into their blades, even including added steel in both the toe and heel. For players who profile their runners throughout the season or sharpen frequently, this added height throughout the blade ensures they'll have more lifespan over traditional standard runners.
OVERVIEW | |
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Model Number | BLK-JRZ-COBRA |
Skate Compatibility | Graf Skates with the Ultra 5000 or 3000 Holder |
Holder Compatibility | Ultra 5000 & Cobra 3000 Holder |
Skate Size Compatibility | 4.5 - 11.5 |
Includes | Complete set of runners (left and right) |
Specifications
KEY TECHNOLOGIES | |
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Diamond-Like Carbon (DLC) A premium carbon material coating that provides properties similar to diamond which results in a runner that has incredible strength against nicks, scratches, and chips. This coating also greatly increases blade retention, resistance to corrosion, and even glide. |
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22mm Blade Height One of the highest steel profiles on the market provides tighter turns, harder stops, and extends the sharpening lifespan over standard steel runners. |
CONSTRUCTION | |
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Steel Grade | Premium-Grade |
Blade Finish | DLC |
Blade Height | 22mm (Size 280mm Runner) |
Blade Profile | Single Blade Profile (10') |
Product Note | All blades are independently measured at IW Hockey with a 5% variance. |
Sizing Chart
HOW TO FIND YOUR SKATE BLADE SIZE | |
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Take your current hockey skates and identify the three-digit number, which can be found on the heel side of your blade holder or on the blades themselves. Locate your three-digit number in the sizing charts below to find your JRZ Cobra Runner size. If for any reason you cannot locate the number, see our How to Size a Hockey Skate Blade and Holder article for a more in-depth approach to skate blade sizing and skate blade compatibility. |
JRZ COBRA RUNNER SIZING GUIDELINES | ||
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Runner Size | Skate Size | Skate Width |
242mm | 4.5 - 5.5 | R & W |
254mm | 6.0 - 6.5 | R & W |
263mm | 7.0 - 7.5 | R & W |
272mm | 8.0 - 8.5 | R & W |
280mm | 9.0 - 9.5 | R & W |
288mm | 10.0 - 10.5 | R & W |
296mm | 11.0 - 11.5 | R & W |
COMPATIBLE GRAF SKATES (2019 - PRESENT) | ||
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Year | Family | Model |
2020 | Peakspeed | PK4900, PK3900, PK2900 |
2019 | Peakspeed | PK7900, PK5900, PK4700, PK1900 |
2019 | Classic | G755, G709, G703 |
HELPFUL ARTICLES | |
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How to Find Your Skate Size | |
How to Select an Ice Hockey Skate | |
How to Fit a Hockey Skate | |
IW Learning Center |