CTCC Ordos Round: TTSPORT TR65 Calipers Handle Rain and Heat
At Ordos International Circuit, deep in the Inner Mongolia grasslands, CTCC's Round 4 threw everything at the field — a rain-slicked start, a first-lap pileup, and blazing afternoon heat in the second race. Cars running the TTSPORT TR65 forged monobloc caliper made it through both 55-minute-plus-one-lap rounds, with driver Wang Wenbin bringing his car home P2 in the TCS class in the wet.
Ordos: A Circuit Built for Weather Roulette
Ordos International Circuit sits on the open grassland of Inner Mongolia, a layout built around fast sweepers, elevation changes, and corners that punish any hesitation on the brake pedal. In August, the weather here changes almost as fast as the racing line — hard sun one moment, a light shower the next. Drivers Sun Zheng and Wang Wenbin faced both extremes across the weekend's two main races: one run in the wet with cars colliding right off the start, the other a long grind in full sun. Between the sudden grip changes and the sustained heat, the weekend put real numbers behind TTSPORT's braking claims instead of marketing copy.
Dialing In Before Lights Out
Setup and Practice
On practice day, Sun Zheng and Wang Wenbin ran a series of simulated race laps to dial in brake bias and pedal travel. Ordos' multi-corner layout is unforgiving on a braking system — every hard stop tests caliper rigidity, heat tolerance, and how linear the pedal feels underfoot. Both cars run the TTSPORT TR65 forged monobloc racing caliper, and in testing it gave a direct, consistent bite that let the drivers brake later into the corners without second-guessing the pedal. That confidence carried straight into qualifying.
Qualifying: 1:51.377 Locks a Top-Five Start
Qualifying day brought close-to-ideal conditions, with air and track temps sitting right in the sweet spot for grip. Lap after lap, the drivers found their rhythm, and the session ended with a best lap of 1:51.377 — good enough to lock in a top-five starting spot for the main races. That grid position mattered: it put the car in clean air early and out of the worst of what was coming.
Race Day: Wet Chaos, Then Dry-Heat Endurance
Round One: Fighting Through the Rain
Light rain fell right before the green flag, leaving the track slick and visibility short. When the lights went out, several cars collided up front, and spray and debris turned the opening laps into a mess to sort through. Over the full 55-minute-plus-one-lap race, the TTSPORT TR65 six-piston caliper showed real wet-weather manners:
- Consistent brake points with no locking or slide under braking
- Stable pedal feedback that kept the driver's confidence up on a low-grip surface
- A rigid caliper body that kept clamping force even across both pads
Wang Wenbin worked through the field lap by lap, closing down the car ahead, and crossed the line to take P2 in the TCS class — a solid points finish out of a genuinely messy race.
Round Two: Steady Under the Sun
Round two flipped the script entirely — clear skies, rising track temps, and another 55-minute-plus-one-lap grind that tested the car as much as the driver. This time the story was heat management. Across repeated hard stops from high speed, the TR65 caliper held a clear, consistent pedal, so the driver could keep hitting the same braking points late in the race as early on, without the stopping distance creeping longer. That steady rhythm got the car through the full race and secured another points finish.
The Braking Story: Why It Mattered
Braking hard from speed generates a lot of heat at the pads and rotor face. As that heat builds, a caliper can flex under clamping load, and the fluid and pads can start to fade — the pedal gets longer, and stopping distances creep out right when you need them most. A forged, one-piece caliper body resists that flex, so more of the pedal input turns into clamping force instead of getting absorbed by the caliper twisting. That's the difference between a pedal that feels the same on lap 1 and lap 20, wet or dry. Ordos' back-to-back 55-minute races, run in opposite weather, put exactly that behavior on trial.
TTSPORT TR65 forged monobloc caliper on both cars all weekend
Qualifying best, good for a top-five starting spot
Wang Wenbin's finish in the rain-hit Round 1 race
Ordos' two rounds put four things to the test at once: wet-and-dry adaptability, the rigidity of the forged monobloc body, resistance to thermal fade over a full-length race, and whether race-proven hardware can hold up to real abuse rather than just a spec sheet. The TR65 caliper came through both races intact and doing its job, which is the whole point of running it on a race car before it ever reaches a street build.
Next Stop: Shanghai, and the Scorecard So Far
Ordos is done, but the season isn't. Next up is Shanghai International Circuit, one of China's top-tier tracks, with a 1.2-kilometer back straight feeding into a run of high-speed corners. That combination — big straight-line speeds followed by heavy braking zones — will push the TR65 setup harder than Ordos did. The team heads there with the confidence and setup data from this weekend already banked.
2025 CTCC Results with TTSPORT
- TC1 Class, R1 Shanghai, Race 1 — Class and Team Champion
- TC1 Class, R1 Shanghai, Race 2 — Class and Team Champion
- TCS Class, R2 Ningbo, Race 3 — Third in Class
- TCS Class, R2 Ningbo, Race 4 — Second in Class
- TCS Class, R3 Keqiao, Race 6 — Class Champion
- TCS Class, R4 Ordos, Race 7 — Second in Class
Four rounds in, TTSPORT-equipped cars have podiumed in both TC1 and TCS classes, with two class titles already on the board. Shanghai is next.
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