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| Welcome to Dekerf Cycles, 08 September 2010 |
     
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 Our Flagship frame
Smaller frames are lighter
Bigger frames are stronger
Ah, science...is there anything it can't do?
 Overview
Technology
Geometry
Pricing
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Though the Concorde has been grounded, the SST will keep you flying down the singletrack in a fashion to which you will enjoy becoming accustomed. This frame is the fourth version of our flagship steel XC hard tails. From the 'Team' of the early 90's, through the 'Team SL', to the 'Team 853', tried and true steel bikes have been the mainstay here at Dekerf Cycle Innovations.
Our Team SST is no exception to that tradition. This Team is fabricated from the latest iteration of Reynolds custom-drawn and butted 853 chrome manganese air-hardening Size-Specific Tubes, hence SST. Our flagship Team SST frames combine the best features of previous models like: our trademark wishbone, machined head tube and downtube gusset, with several new ones like the 'zip' style mounting for disk brakes and a custom machined Dekerf seat post clamp.
A new name; a frame for the ages.
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Dekerf Pierced Monostay Assembly
This signature design feature strengthens the rear end while showcasing our craftsmanship and differentiating our frames from mass production models.
Reynolds 853 Tubing and Chainstays
This seamless, air-hardened, heat-treated tubeset is among the most advanced material available for building bicycle frames. This allows us to create steel frames that are durable, lightweight and lively.
Dekerf Seat Collar Assembly
The top of the seat tube on the Team853 is made of a separate non heat-treated cro-moly collar. This collar is machined externally for weight reduction and internally to ensure a highly accurate fit on the seat
post.The collar provides a strong joining surface for the top tube, seat tube and the wishbone assembly. As the collar is non-heat treated the many welds in that area do not affect it. This also works in the reverse- if the tube is damages repairs can be made without affecting the structural integrity of the joints. For the same reason the head tube and bottom bracket shell as also not heat-treated.
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Dekerf Brazed Headtube Gusset
A strengthening, laser cut, cro-moly plate that is brazed in place to ensure the entire gusset is fused to the downtube. We also use a small fillet braze to smooth the transition between the headtube and the gusset, thereby eliminating stress risers. A smarter way to gusset.
We used to polish our gussets however, in order to polish a gusset, it should be made of stainless steel. Stainless can only silver soldiered. In the days of Ritchey tubing, this all worked well. But, silver soldier flows at too low of a temperature to take advantage of the air hardening propperties of 853. Hence, since switching to 853, frames now have cro-moly gussets which can be brazed in place using higher termperature bronze alloys. If we polish a cro-moly gusset and clear over it, it will in very short order begin to rust under the clear coat. Therefore, we don't polish gussets on 853 frames any more.
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Frame Size
(C-to-T) |
Top Tube |
Head/Seat Angle |
Bottom Bracket |
Chainstays |
Headtube |
| 14.5" |
21.5" |
71°/73° |
11.75" |
16.75" |
3.5" |
| 16.0" |
22" |
71°/73° |
11.75" |
16.75" |
3.5" |
| 17.5" |
22.5" |
71°/73° |
11.75" |
16.75" |
4.0" |
| 18.5" |
23.25" |
71°/73° |
11.75" |
16.75" |
4.5" |
| 19.5" |
23.75" |
71°/73° |
11.75" |
16.75" |
5" |
| 21" |
24.5" |
71°/73° |
11.75" |
16.75" |
6.25" |
Suspension corrected for 100mm. forks
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