Competitive Cyclist

SCOTT CR1 PRO

Like the CR1 SL, the stated purpose of the Scott CR1 PRO is to provide its rider with high-performance design and technology features but to do so without forcing you to contort yourself into an aggressive, pro-style position. Accordingly, the geometry of the CR1 series differs from the Addict series in two key areas: The headtube height of the entire CR1 series is 1.5 centimeters taller than the Addicts, and the CR1's toptube length is .5 centimeters shorter. What's the point of this? A taller headtube will a) fit a larger percentage of the population, and b) provide a less aggressive position on the bike. Since the headtube height is taller, you don't have to arch down so far to reach your handlebars. Effectively, to the degree the headtube height is raised there is a corresponding degree to which the toptube is shortened, and hence giving you a less aggressive and more upright and relaxed position.

But don't let that fact lead you to think the CR1 PRO is anything other than a pro-quality frameset. It uses the very same IMP (Integrated Molding Process) as the competition-devouring Addicts. IMP molds the front triangle as one piece rather than the tube-to-tube miter joint construction seen on the original CR1. The new CR1 SL also uses Scott's high-modulus HMF carbon fiber -- as did the original CR1 -- but this time around Scott doesn't wrap the tube with the wide-weave cosmetic layer of carbon fiber which made the original CR1 so readily identifiable. Scott calls this new design approach, which, incidentally, is share among all its performance oriented framesets, Naked External Tubeset (NET) technology. While you don't get the nice woven look we tend to associate with all things carbon, NET reduces the frame's weight by a whopping 11%.

With IMP technology Scott can more readily tune the ride characteristics of the CR1 PRO. The front triangle doesn't bear directly on the overall comfort of a frame's ride quality but the rear triangle and fork do -- that's where the rubber that meets the road meets the rider, so to speak. The fork and the stays of the rear triangle are where all the action occurs from a ride quality standpoint and it's here that Scott uses their Shock Dampening System (SDS) technology. SDS technology minimizes fatigue-inducing high frequency vibrations and provides vertical compliance through a combination unique tube shaping and the strategic orientation of carbon fibers. In fact, the CR1 PRO provides such a degree of vertical conformity that up to .6mm of compliance is measurable at the axles. This is achieved through Scott's S-Bend tube shaping technology which essentially "tunes" the tubes of the rear triangle and the fork blades so they vertically displace as dictated by the requirements of the rider's weight and the road conditions. But note that the shape of a carbon tube alone is not enough to provide compliance; compliance is a result of a combination of tube shape and the manner in which the tube's layers of carbon fibers are oriented. Adjusting for the appropriate amount of lateral and torsional stresses is achieved through enabling the various layers of carbon material to flex at those places on the frame where the greatest comfort will result with the least amount of power transfer loss. So, Scott orientates each ply of carbon fabric at strategic locations on the frameset so the frame's uniquely shaped tubes provide just the right amount of flexibility (for comfort) and stiffness (for performance).

The Scott CR1 PRO offers the best of all worlds: Supreme comfort and smoothness with crisp handling and an aggressive kick. It weighs in at 960g -- lightweight by almost any standard, only a mere 100g more than the CR1 SL. The CR1 PRO differs in just two ways from the CR1 SL: First is its use of HMF carbon, instead of the HMX carbon used in the CR1 SL. HMX is so exotic it allows Scott's engineers to use less material (and thereby build a lighter frame) without giving up durability. This weight savings (the CR1 SL weighs 860g) comes at a significant increase in cost. The use of HMF carbon on the CR1 PRO adds a few grams, but saves a sizeable sum of cash. Secondly, the CR1 Pro foregoes the BB86 bottom bracket platform. Instead it's built with a standard English threaded bottom bracket shell.

The Scott CR1 PRO frameset comes in 7 sizes ranging between XXS and XXL (47, 49, 52, 54, 56, 59, and 61cm). It comes standard with a Scott CR1 HMF NET full carbon fiber fork and a Ritchey Pro semi-integrated headset. It requires the use of a 31.6mm seatpost, a braze-on front derailleur and and English-threaded bottom bracket.

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2010 Scott CR1 PRO Pricing

2010 Scott CR1 PRO Geometry

Size	Seat Tube c-c	Seat Tube c-t	Effective Top Tube	Head Tube	Seat Angle	Head Tube Angle
XXS	41.0	47.0	50.5	11.5	75.0	70.5
XS	43.0	49.0	51.5	12.0	75.0	71.0
S	46.0	52.0	53.0	14.0	74.5	73.0
M	48.0	54.0	54.5	16.0	74.0	73.0
L	50.0	56.0	56.0	18.0	73.5	73.0
XL	52.0	58.0	57.5	20.0	73.3	73.0
XXL	55.0	61.0	59.5	22.0	73.3	73.0