Anatomy of a Performance Rotor
Equally as well known for its wheels and brake pads, Lyndall Racing Brakes' range of performance brake rotors are a premium product line with options for street and track.
Paul Kittrell's San Marcos, Texas based factory has traditionally offered three-piece, lug-drive floating rotors - consisting of an outer ring (friction ring), a center carrier and a helical retaining clip (the attachment ring).
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| Machine finish for Pan America |
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| Limited edition seven-bolt fitment for Road Glide |
This construction was sold with three different friction ring styles - original smooth, crown cut, and the thinner 'Bow-Tie' profiled outer ring - in 16 design styles for the center carriers - such as 7, 9, 11, and 13 spokes, B52, Omega, Hooligan, Enforcer and more, with new ideas being designed regularly.
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| One-piece Enforcer rotors |
However, Lyndall's newest offerings are one-piece rotors - "a little more affordable while still allowing the rotor to float on the wheel, utilizing Harley's wave spring floating mechanism," says Paul.
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| TT-tracker center design with bow-tie outer friction ring |
Those are specialized fitments only available for Enforcer and Prodigy wheels, Dyna, V-rod, Switchblade, the Pan America and a Limited seven-bolt fitment for Road Glide. This takes the range to four one-piece rotors available, including a one-piece rear for the Pan America. All the one-piece rotors utilize the bow-tie outer design and gas slots to eject hot gasses that are created under friction, improving pad performance.
Lydall rotors are made in high strength, corrosion resistant, durable JFE 410 DbER martensitic stainless steel - martensite is a very hard form of steel crystalline structure. They are CNC machined, heat-treated and double-disc ground to precise tolerances of flatness. The result is an ultra-lightweight design which reduces unsprung weight for improved acceleration, deceleration, and transitioning.
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| Lyndall Brakes' Paul Kittrell |
They feature an ultra-narrow bandwidth. Paul explains that "a decrease in surface area equates to an increase in surface pressure for a fixed amount of clamping force. They have a double leading edge - this continuously scrapes the brake pad surface, reducing the glaze that can build up over a series of high temperature braking events."
The five available rotor styles are the Smooth Gemini and 13-spoke rotors and the Omega, Smooth 13-spoke and Breakout black 'Bow-Tie' designs.
www.lyndallbrakes.com
FT750 Factory Rotor
Recent news from Lyndall Racing Brakes is that it has been selected by Indian Motorcycle as the Factory Rotor on the Indian FT750.
Paul Kittrell said that "our dedication to developing the finest brake components on the planet has not gone unnoticed. The new Indian Scout FTR750 and FTR1200 Custom features Lyndall black crown cut rotors.
"We are proud to be a part of something that has so much thought and care put into it. This bike features only the highest quality parts and design." This news follows Lyndall's announcement of new product releases for Harley's Pan America and a Road Glide Limited seven pin, front one-piece rotor with brake pads.