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The Trek Speed Concept SLR 9 pairs an OCLV Series 800 carbon frame with KVF tubes with a Shimano Dura-Ace Di2 2x12 groupset and Aeolus RSL 51 carbon wheels. Trek France does not publish its complete weight; the frame weighs 1,522 g painted and the fork 410 g. The Party Purple colourway plays on an intense purple punctuated with black.
| Frame | OCLV Series 800 carbon, KVF tubes, IsoSpeed, T47 threaded bottom bracket, integrated Bento box and down tube storage |
| Fork | Speed Concept full-foil carbon, integrated brake calliper and stem |
| Drivetrain | Shimano Dura-Ace R9250 Di2 2x12, R9200 52/36 chainset, 11-30 cassette, BT-DN300 battery |
| Brakes | Shimano hydraulic discs, CL900 Centerlock 160 mm rotors |
| Wheels / tyres | Bontrager Aeolus RSL 51 carbon / Bontrager R4 320 700x25 mm |
| Cockpit | Speed Concept mid-rise bar/stem with adjustable extensions |
| Saddle / seatpost | Bontrager Hilo Pro carbon / Speed Concept SLR seatpost, 11.5 or 20 mm offset |
| Weight | Complete weight not published by Trek France; frame 1,522 g (painted), fork 410 g |
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At a glance
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For the age-group triathlete aiming for a podium or a championship qualification, for whom every detail counts. It is aimed at an athlete already used to the aero position, who rides a lot and wants the best Trek makes with Shimano.
OCLV carbon, Trek's signature. The acronym refers to compacting the fibres at high temperature and under strong pressure, a process Trek has used since 1992 to eliminate internal voids. The number that goes with it measures how optimised the layup is. The Speed Concept SLR 9 stays with OCLV 800, like the whole family: Trek did not see the point of using the Madone's OCLV 900, because a time trial bike is judged first and foremost on its drag. The frame is covered by Trek's lifetime warranty.
| OCLV 800 (Speed Concept SLR) | OCLV 900 (Madone SLR) | OCLV 500 (Madone SL) | |
| Level | Trek's former top-end road carbon | Trek's most advanced carbon | Entry-level road carbon |
| Construction | Lay-up optimised for large-section aero tubes | 3D moulding, fewer fibre overlaps | Same process, slightly more material |
| Reference bike | Frame 1,522 g painted + fork 410 g | Madone SLR: frame 796 g (ML) + fork 350 g | Madone SL: frame 1,054 g (ML) + fork 363 g |
| What it means | Stiff and durable, integrated storage and IsoSpeed | Up to 20% stronger than OCLV 800 | Heavier, more affordable budget |
The key point: switching to OCLV 900 would save a few grams that nobody would feel in a stretched-out position on the flat. Trek's choice focuses the SLR 9's budget on the Dura-Ace Di2 drivetrain and the RSL wheels, where the difference can be felt.
Dura-Ace Di2 R9250 stands out from Ultegra with lighter parts and a superior finish, with the same operation: fast, precise shifts with no cable adjustment. The Aeolus RSL 51 wheels are Bontrager's top tier, with slimmer hubs and a more refined rim.
Like the SLR 7, this SLR 9 has no power meter as standard: it is up to you to choose power-measuring pedals or a chainset if you want one, and we can fit it. On the other hand, the Bento box and down tube storage come as standard.
| Model | Carbon | Drivetrain | Wheels | Weight (size) |
| Speed Concept SLR 7 | OCLV 800 | Shimano Ultegra Di2 | Aeolus Pro 37 | 8.97 kg (M) |
| Speed Concept SLR 7 AXS | OCLV 800 | SRAM Force AXS + power meter | Aeolus Pro 51 | 9.02 kg (M) |
| Speed Concept SLR 9 | OCLV 800 | Shimano Dura-Ace Di2 | Aeolus RSL 51 | n/a (frame 1,522 g) |
| Speed Concept SLR 9 AXS | OCLV 800 | SRAM RED AXS + power meter | Aeolus RSL 51 | n/a (frame 1,522 g) |
Our take: compared with the SLR 7, the SLR 9 brings Dura-Ace Di2 and RSL wheels, but no power meter; the SLR 9 AXS adds one as standard with RED AXS E1. Trek does not publish a complete weight for either version.
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LVR sizing advice The table gives a first indication; on a Speed Concept, it is the stretched-out position held for hours that determines the right size. Plan a bike fit before ordering.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| What is its complete weight? | Not published by Trek France; frame 1,522 g and fork 410 g. |
| Power meter included? | No, unlike the SLR 9 AXS; it can be fitted in the workshop. |
| Dura-Ace or Ultegra Di2? | Same operation; Dura-Ace is lighter and better finished. |
| For what distance? | From non-drafting Olympic distance to Ironman. |
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The LVR Cycles verdict The Speed Concept for racers loyal to Shimano, with a purple that makes a statement. Dura-Ace Di2 and RSL wheels bring together the very best, no detours.
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Why buy from LVR Cycles? Our Béziers workshop prepares your Speed Concept SLR 9 for racing: bike fit, fine-tuning of the Dura-Ace Di2 and fitting a power meter if you wish.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References
Carbon triathlon bike Trek Speed Concept SLR 9: Dura-Ace Di2, Aeolus RSL 51 wheels, frame only 1,522 g
