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QUAKE 92A Derby Special BLUE XX-Grip Wheels
Diameter X Width: 59mm X 36mm or 63mm X 36mm Slim Wheels
Compound: Cast Urethane Formula
Hub Info: White Fan Jet Delrin Hub
Packaging: In Sets of 4
(2 Packages to make a full set of 8 Wheels)
Sets of 4 can be mixed to provide variable grip
CRAZY QUAKE wheels are high performance Cast Translucent Poly-Urethane wheels. This means they are difficult to flat, have a good amount of roll, and yet grip hard. The BLUE version of the QUAKE wheels is an 92A durometer, which is the mid hardness of the QUAKE wheels.
The QUAKE wheels come in 3 hardnesses: Red=XXX or 88A, Blue=XX or 92A, and Green=X or 96A.
The QUAKE wheels have 2 sizes in Diameter: 59mm or 63mm Diameter X 36mm Wide.
The QUAKE wheels have a moderate Rebound, which gives them a very good feel and roll.
The QUAKE wheels are well suited for many types of Indoor Skating surfaces like Concrete, Wooden Floors coated or un-coated, Outdoors, or Sport Court – any surface is a match for these Great Wheels…..
From a Derby perspective: The QUAKE BLUE XX are 92A and anyone that is considering a narrow wheel and figuring out how it could benefit their derby and jam skating can use this mid sticky version of our QUAKE to test the waters! Its great for many types of tracks, ubt is generaly for the intermediate or advanced levels of experience and anyone that feels the wider wheel is not working for them. Both the Red XXX 88A (Push wheels) and Blue XX 92A (mid Roll wheels) are good workhorse wheels for most derby venues as they hold up extremely well and can be intermixed and used together even adding the Green X 96A wheels to the mix for your harder extra ROLL wheels. If you are mixing the wheels on a slippery surface, the standard mix would be Red XXX for the “Push” wheels and Blue XX for the “Roll” wheels. On a tighter Skating surface, the standard mix would be Blue XX for the “Push” wheels and the Green X for the “Roll” wheels. These can be mixed and matched as you desire as long as they are the same diameter. The QUAKE wheels have a combination that is good for almost all surfaces.
Why do we sell in 4 Packs?
All CRAZY Skates wheels are sold in 4 packs to give you the choice and flexibility – you can choose to mix colours and durometers. Mixed colours not only look good – it serves a function. Some skaters choose to use harder durometer wheels on their outside wheels, and softer durometers for their inside wheels. This can assist skaters with grip and roll, along with control entering the corners, and giving that rebound thrust and rollout when coming out of the corner! It’s all about choice – you decide – 8 the same or Mix & Match!
There are 5 key components to know about wheels:
1. Wheel Hardness is either measured on the “A” scale for Urethane compounds or the “D” scale for Plastic compound wheels.
A. The lower the Durometer number (on either the “A” or “D” scales) the softer the wheel, which means More GRIP, but Less ROLL. A softer wheel is often used as a “Push” wheel.
B. The higher the Durometer number (on either the “A” or “D” scales) the harder the wheel, which means Less GRIP, but More ROLL.
C. It is possible for a wheel to exhibit both GRIP and ROLL by using a Larger Delrin or Aluminum Hub with a thinner diameter Tread of the Urethane or Plastic compound materials. This also makes for a lighter wheel in most cases.
2. A second measurement for wheels, would be Rebound, which is the spring back or bounce (think of a super-ball) that a wheel has. Currently manufacturers are not rating this in numbers or as a standard.
A. A Low Rebound wheel will have you doing a Face Plant if you try to roll over grit and tiny particles, which will stop the wheel in it’s tracks.
B. A Higher Rebound wheel will roll over grit and tiny particles. It will roll into the surface of the wheel and then kick out as the wheel passes over.
C. A Higher Rebound wheel will feel alot softer (because of the rebound), than the same wheel with a lower Rebound, even with the wheels has the same Durometer or hardness.
3. Wheel Diameter
A. The Smaller the Diameter of the wheel the more revolutions the wheel has to turn (which means the need for great bearings) to go a specific distance, but the positive is a lower Center of Gravity which aids in stability.
B. The Larger the Diameter of the wheel the less revolutions the wheel has to turn to go a specific distance, which means longer roll with less effort or energy expended.
4. Wheel Width
A. The Width of the wheel contributes to the amount of Friction and contact with the Skating Surface.
B. The Wider the wheel, the more the drag or resistance.
C. The more Narrow the wheel, the less drag or resistance.
D. If a wide wheel has a flexible outer lip, this can add to the drag or resistance, but also provides that little extra grip for the push.
Note: For Roller Derby, with the small track and the need to weave, bob, and make short tight edges it would seem natural to select a wheel that is more narrow (Not WIDE), so as to allow for quick tight footwork and cross-overs. A wider wheel can easily lead to tripping yourself on cross-overs or in tight situations.
E. A Wide Wheel for Roller Derby, may not be the best thing, as Derby Skaters skate on a small track, with tight corners and are always weaving and bobbing causing Skaters to do cross overs, which would be much easier on the more narrow wheels.
5. The Wheel Hub
The Wheel Hub is the center part of the wheel and is the critical part that holds the Bearings. The more accurate the molding or machining the areas where the Bearings sit, the better free-rolling the wheel will be.
Wheel Hubs perform several funcitions:
A. A great Wheel Hub is either exactingly machined or ultra precision molded to very tight tolerances, so as to provide an accurately aligned seat for the 2 bearings and Wheel Spacer. All of this to make sure the bearings are properly aligned so that the wheel will roll properly and hopefully very freely, with a lot of speed.
B. The Wheel Hub in most of the better wheels, are either of Nylon Plastic like Delrin Zytel or machined Aluminum.
C. Having a Wheel Hub in a harder material than the Wheel Tread material, like Urethane, will add tremendous ROLL to the Wheel.
D. A larger Wheel Hub will in most cases provide a thinner Tread material. That will potentially produce a wheel with 2 GREAT characteristics:
1. A Wheel with exceptional ROLL due to the harder core and thinner tread. Some compounds of Urethane materials can get mushy due to the friction and heat generated between the Skating Surface and the Wheel in as little as 6 weeks. This leads to less ROLL!
2. A well designed Wheel Hub will also be much lighter than the Tread Mateial. This light weight Hub will once again add to the ROLL while reducing the overall weight of the Skates.
E. Spacers that are +.002 to +.005 wider than the Web of the Wheel, will help to properly align the Bearings and allow them to work properly and last longer than in wheels with no Spacers. (See the article in the Roller Learning Center that explains the details and benefits of using Spacers in your Wheels.
So choose wisely.
This is a SPECIAL Close Out Sale
All stock quantities are limited in sizes and colors, Please call (765) 935-7477 or E-Mail OrderDesk@SkatesUS.com to determine availability
This is an inventory Close Out Sale Once they’re gone, they’re gone!
DO NOT “Add to Cart” and try to purchase Online. Please call (765) 935-7477 or E-Mail OrderDesk@SkatesUS.com to determine availability. Online orders will be invalidated.