Saturday, February 24, 2018

Canyon Endurace: Actual Weight of Frame, Fork, Handlebar

Even before I got the Canyon Endurace CF SLX Disc 8.0 Di2 bike, the final plan was to upgrade it to the latest Dura-Ace R9170 groupset, which has hydraulic disc brakes and Di2 electronic shifting. However, at that point in time (July 2017), the latest R9170 groupset was not available yet, while there was a 20% discount on this Canyon bike which was very enticing. Therefore, I decided to get the full bike that was equipped with Ultegra Di2 and hydraulic disc brakes first, before upgrading later.

Now that my Dura-Ace R9170 groupset has arrived, I can begin upgrading the bike! Since I will need to disassemble 90% of the components from the bike for the upgrade, I might as well disassemble it 100% to check out the actual frame weight. This is a good chance to compare and see how it differs from the claimed weight on the Canyon website.

This is the top level Endurace CF SLX Disc frameset, which is designed for Di2 shifting. The mechanical shifting version of the frame is slightly different to account for the cable routing required. Without further delay, let's take a closer look at all the frameset components!

Beautiful Canyon Endurace CF SLX Disc frame, in an eye-catching Kerosene Red colour.

It comes in at a lightweight 807 grams for a size XS frame. Includes weight of seatpost clamp and rear dropout hanger. Claimed weight is 820 grams for Size M.

Mounting point for the rear Flat Mount disc brake caliper is located on the left side chainstay.

Bearing cups for the headset (both top and bottom) are molded into the frame to save weight

Internal view of the downtube, viewed from the bottom bracket shell opening.

The inside of the left and right chainstays, as viewed from the opening under the bottom bracket shell.

Weight of headset bearings (top + bottom + plastic compression ring) is just 37 grams.

Front fork with carbon steerer tube

Even the crown race for the lower headset bearing is molded as part of the steerer tube

Actual weight of the front fork is 361 grams, quite a bit heavier than the claimed weight of 325 grams.

Integrated carbon handlebar and stem, comes with this Canyon bike.

No holes on the handlebar for internal routing, but there are cable channels on the underside of the handlebar.

Total weight of 90/400mm handlebar +  stem and the clamp (which presses on the steerer tube) is 327 grams. Claimed weight is 335 grams for the 100/420mm version.

Headset top cap and special shaped spacers weigh about 49 grams. 

With these numbers, the frameset (frame + fork) weighs 1168 grams, which is a really nice weight for a road bike frame. There are of course lighter framesets such as the Trek Emonda, but the cost of one of those framesets can almost buy my whole bike.

As for the one piece carbon handlebar (327 grams), it is not actually lighter than a separate handlebar and stem combination. For example, if I use a FSA K-Force Compact Road Handlebar (204 grams), with the Controltech Alloy Road Stem (80mm, 112 grams), the total weight is 316 grams which is actually lighter and cheaper than the one piece handlebar.

Anyway, the objective is not to build a super lightweight road bike. If this was the objective, the starting point would be very different. With this endurance frame, the idea is to build a road bike with hydraulic disc brakes and Di2 shifting, while ensuring that it is comfortable to ride without being too harsh. Of course, if it can also be fast and lightweight at the same time, that will be the best.

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