Neil Pryde Bura SL 2013 Frameset
NEILPRYDE set out to discover how we could engineer a no compromise feather-light road bike whilst retaining all the performance benefits of a rigid frame designed for the most discerning pro cyclist
After conducting benchmark testing of various lightweight frames in the market, it was apparent that key performance indicators, such as bottom bracket and headtube stiffness, are frequently compromised in pursuit of minimal weight. Utilising our extensive knowledge of composites developed over two and half decades manufacturing high-performance equipment from carbon fibre, we set about looking for a better way to make a pure engineered solution, where compromise was not an option.
The result is the BURAsl – a highly engineered, pure climbing, road bike.
From the pencil thin seatstays that absorb road vibration, to the deep section chainstays that ensures maximum power transfer, the BURAsl is designed for performance first where minimal weight is the outcome of focused engineering.
NEILPRYDE’s Optimized Tube Profile (OTP) design philosophy has once again been applied throughout the entire frame, resulting in tube shapes that ensure the optimum balance between stiffness and weight. Reinforcement “ribs” have been integrated into key locations of the frame to produce a lively and responsive ride, whilst the subtle asymmetric seattube further ensures that the bottom bracket resists twisting under pedaling forces.
BURAsl uses a PressFit30 standard bottom bracket shell, eliminating all necessary aluminium hardware where practical, as well as full carbon fiber dropouts, molded headset cups and cable stops to further reduce weight.
After numerous iterations of laboratory tests using various carbon fibre lay ups, followed by extensive testing by the UnitedHealthcare Professional Cycling Team riders to ensure that it lives up to their demanding requirements, we are looking forward to adding the BURAsl to our expanding range of high-performance road and triathlon bikes.
Target frame weight: sub-750g (for L size)
PF30 Bottom Bracket
Moulded carbon fibre headset cups and front/rear dropouts
Machined carbon fibre cable stops
Reinforcement ribs at seattube/toptube & toptube/headtube/downtube junctions
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