Boardman Bikes 9.8 SLR Di2

Priced: $1,680.00
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Boardman Bikes 9.8 SLR Di2 -

The European peloton nicknamed Chris Boardman "The Professor" in the early '90s, due to his intense focus on all of the small details associated with bicycle equipment and training. This meticulous personality trait paid off for the British cyclist, as he went on to claim a gold medal in the Individual Pursuit of the '92 Games after a highly structured preparation regimen. And while Boardman was, and still is, somewhat obsessed with aerodynamic research and development, he's equally concerned with building the stiffest and lightest bicycles possible. Enter the Elite 9.8 Superlight Racing (SLR), which is the new, feathery, and Di2-compatible flagship design sitting at the top spot in Boardman's Elite race collection.

The main emphasis was placed on developing stiff, stable, and lightweight tube shapes. In other words, Boardman built this climber's frame to ascend with the best lightweight bikes on the market, yet it also borrows many of the same aerodynamic technologies employed in his AiR frames.

Similar to the AiR 9.8, every tube on the SLR was meticulously examined and tested to be the most efficient and lightweight as possible. Using the latest Finite Element Analysis (FEA), Boardman was able to test many different combinations of fiber types, fiber directions, resins, and tube shapes to ultimately come up with the SLR frame design. With the main load path in any bicycle running from the head tube, down the down tube, and then through the bottom bracket and drive-side chainstay, Boardman zeroed in on these critical areas to add material where it's needed and remove it where it's not.

The oversized nature of the down tube keeps the steering sharp, with the oversized bottom bracket handling pedaling forces. The material selected for the SLR's frame is an ultralight, high modulus unidirectional carbon fiber, constructed with a full monocoque design. Similarly, the fork was built out of the same predictable, race-tested, and ultralight carbon fiber. The SLR's mold incorporates a one-piece BB30 bottom bracket and oversized box section chainstays, which, with a steep taper design at the dropouts, maximizes power transfer and strength at the rear junction. Along these lines, the full carbon fork was built with a 1-1/2 to 1-1/8in tapered steerer for increased stiffness and steering precision.

The SLR's fork was designed to be exceptionally stable, comfortable, and to efficiently handle variable wind conditions. Boardman factored in that both the proximity and spinning of the wheel also affect the fork's ability to reduce wind-resistance, which is why its blades were computer modeled to manage that challenging local flow condition. Because of this, Boardman flattened the insides of the blades and curved the outside surfaces for an enhanced airflow interaction between the fork and wheel. This same principle is also true for the seatstays, which is why they feature a similar profile. The frame was built with full internal, Di2-compatible cable routing, furthering airflow enhancement and a clean overall appearance.

The Boardman Bikes Elite 9.8 SLR Di2 frame comes in at a feathery 895g, making it more than competitive among the other "ultralights" that are currently available. The frame comes in five sizes from X-Small to X-Large and in the color Matte Black.

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