overview

Introducing the stiff and Ultra-lightweight BURAsl road bike. We know it’s not just about weight but what you do with it, too.

The BURAsl was purely performance engineered to achieve the highest stiffness to weight ratio, which ensures the most efficient and direct power transfer. And this happened to result in 710 grams of raw desire. The BURAsl front triangle is made from NEILPRYDE C6.9 uni-directional carbon fibre, the highest modulus suitable for bikes, and incorporates our proprietary Exoskeleton technology, first developed for the award winning DIABLO. External carbon fibre ribs integrated in the key joints of the monocoque front triangle ensure the BURAsl frame responds immediately each time you step on the power and jump for the sprint.

Drawing on our 25-years of composites manufacturing experience, a new molding process was developed for forming the intricate head tube and seat tube joints, and bottom bracket. The result: significantly improved control over the frame wall thickness and elimination of fibre wash during molding in the areas critical for achieving the desired frame performance.

When engineering the rear triangle, a unique one-piece chain stay, drop out and seat stay mold was developed. This enabled the reduction in the number ofbonds, while allowing for continuous strands of carbon fibre to be run through the rear triangle. Combining this unique design with the “chopstick” thin seat stays resulted in the perfect balance between power transfer and ride compliance.

Carbon fibre front and rear drop outs, a press fit 30 bottom bracket, and carbon head sets cups further reduce the frame weight without sacrificing durability or performance.

The BURAsl is available in two modules – either mechanical compatible with external wire routing for the ultimate lightweight frame, or internal Di2 wiring for that ultra sleek look and dialed drive train shifting. The choice is yours.

That is it. Bare minimum weight – maximum performance. The only thing we piled on was the unflinching NEILPRYDE attitude, which weighs nothing.

710g

specs

	XS	S	M	L	XL	XXL
A: top tube length	510	530	545	560	575	595
B: seat tube length c-t	458	488	508	538	558	578
C: head tube length	100	120	140	160	180	200
D: chainstay length	405	405	405	405	405	405
E: wheelbase	964	967	975	985	1000	1022
F: fork rake	45	45	45	45	45	45
G: seat tube angle	74.5	74.0	73.5	73.0	73.0	73.0
H: head tube angle	71.0	72.5	73.0	73.0	73.0	73.0
I: bb drop	75	75	70	70	70	65
J: stack	506	539	555	574	593	607
K: reach	370	375	381	385	394	409

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