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In the Matte Deep Smoke colourway, the Trek Speed Concept SLR 7 dresses its OCLV Series 800 frame in a very dark, matt smoked grey that is almost black. Equipped with Shimano Ultegra Di2 2x12 and Aeolus Pro 37 carbon wheels, it weighs 8.97 kg in size M. This version comes as standard with the carbon-shell Bontrager Hilo Pro saddle, a welcome touch when the bike leg goes beyond five hours.
| Frame | OCLV Series 800 carbon, KVF (Kammtail Virtual Foil) aero tubes, IsoSpeed, T47 threaded bottom bracket |
| Fork | Speed Concept full-foil carbon, integrated brake calliper and stem |
| Drivetrain | Shimano Ultegra Di2 2x12, Ultegra R8100 52/36 chainset, R8101 11-30 cassette, BT-DN300 battery |
| Brakes | Shimano hydraulic disc (Dura-Ace according to Trek), CL800 Centerlock 160 mm rotors |
| Wheels / tyres | Bontrager Aeolus Pro 37 carbon / Bontrager R3 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 | 8.97 kg in size M (Trek figure) |
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At a glance
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For the triathlete preparing for an Ironman or a 70.3 who spends long hours in the aero position in training. It is aimed at the consistent athlete who prefers a bike that stays comfortable over time to an extreme machine that is hard to hold in the last hour of the bike leg.
OCLV carbon, Trek's signature. Since 1992, Trek has compacted its carbon fibre layers under heat and pressure to eliminate micro-voids, the air bubbles that weaken a structure. On the Speed Concept SLR 7, this expertise is put to work for aerodynamics: OCLV Series 800 makes it possible to mould very deep KVF tubes that stay stiff despite their large surface area. Like all OCLV frames, it is covered by the Trek 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 |
Put simply: OCLV 800 is no compromise on a triathlon bike. The frame weighs more than a road bike frame, but the difference comes from the aero tubes and storage, and on the flat it is air resistance that decides your time.
Over a 180 km course, comfort is a performance factor: a position you can no longer hold after four hours costs far more time than a slightly heavier frame. IsoSpeed and the Hilo saddle, designed for the forward position of triathlon, both work towards that goal.
Hydration and nutrition must stay within reach without spoiling the aerodynamics: we configure the cockpit and compatible storage accessories with you. On your long rides out to Lac du Salagou or along the Canal du Midi, the 36x30 gives you a comfortable margin on the climbs on the way home.
| 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: for long distance, this SLR 7 with the Hilo Pro saddle is a solid starting point; the SLR 7 AXS weighs 50 g more but brings a power meter, invaluable for managing your pace over 180 km.
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LVR sizing advice On a triathlon bike, size is confirmed with a bike fit: reach, extension height and saddle setback matter as much as the rider's height. The SLR seatpost comes in two offsets, 11.5 or 20 mm.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Comfortable enough for an Ironman? | Yes, IsoSpeed and the Hilo Pro saddle are designed for the long haul. |
| Where do the bottles go? | We configure the compatible hydration accessories with you. |
| Is matt paint fragile? | Clean it without polishing products; we will show you how. |
| Riding in strong wind? | The 37 mm rims remain easy to handle in crosswinds. |
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The LVR Cycles verdict The SLR 7 we would recommend for long distance, thanks to its Hilo Pro saddle and very understated matt smoked grey finish. A bike for holding the position right to the last kilometre.
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Why buy from LVR Cycles? Based in Béziers, we prepare your Speed Concept for long distance: bike fit, extension set-up and a full service before your target race.
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