2024-2026+ BMW X2 (U10) CCB Big Brake Kit | Brembo GT6 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2024-2026+ BMW X2 (U10) CCB Big Brake Kit — Genuine Brembo GT6 Front + Genuine Brembo GT4 Rear Setup
The 2024-2026+ BMW X2 U10 owner shopping this kit is usually trying to reduce iron-rotor heat fade, brake dust on open 19- or 20-inch wheels, and front-end mass without giving up a firm pedal. StopFlex builds this kit around a 380mm front carbon-ceramic rotor with Brembo V6 / GT6 / GTS6 6-Piston Caliper Options and rear Brembo V4 / GT4 / GTS4 4-Piston Caliper Options on 355 or 380mm rotors. Each order is engineered to the confirmed X2 trim, because xDrive28i and M35i xDrive fitment can require different bracket geometry, rotor-hat offset, and wheel-clearance validation.
- The front axle uses a 380mm carbon-ceramic rotor with Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, so 19-inch wheels are the minimum and spoke clearance must be measured before production.
- Rear options pair Brembo V4, GT4, or GTS4 4-piston calipers with 355 or 380mm carbon-ceramic rotors to keep the short-wheelbase U10 stable under repeated hard braking.
- The U10 X2 trim family includes standard xDrive28i and M35i xDrive configurations, so StopFlex confirms the exact trim and wheel ET before machining brackets and rotor hats.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | BMW X2 (U10) |
| Model years | 2024-2026+ |
| Front setup | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options / 380mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 355/380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 19" (for the 380 mm front rotor) |
Every StopFlex kit is bespoke-engineered for your exact model and trim — the brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, not assumed from the platform. This matters because trims that share a chassis name can differ mechanically: a pure M or performance variant often carries different front knuckles/uprights, hub geometry, and wheel axial (ET) clearance than the standard models in the same family, so a bracket and hat offset that bolt onto one are not the same parts that fit the other. StopFlex supplies the calipers, pads, rotor hats, floating hardware, and brake lines as a matched system built to your confirmed trim. Cars with modified knuckles, modified uprights, or non-factory suspension mounting points must be reviewed before ordering and are not treated as direct-fit.
This setup uses a 380 mm front rotor, so the minimum wheel size is 19". Wheels under 19" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.
| Wheel Size (Standard) | Disc Range |
|---|---|
| 15" | 260 mm – 285 mm |
| 16" | 285 mm – 300 mm |
| 17" | 300 mm – 330 mm |
| 18" | 330 mm – 355 mm |
| 19" | 355 mm – 380 mm |
| 20" | 380 mm – 400 mm |
| 21" | 400 mm – 420 mm |
| 22" | 420 mm – 440 mm |
Caliper Overview — Front & Rear Balance
Front Caliper (Primary Upgrade)
The front upgrade uses Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, selected with a 380mm carbon-ceramic rotor. V6 uses a Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper, GT6 uses a Genuine Brembo GT | M6 6-Piston Caliper, and GTS6 uses a Genuine Brembo GT | S6 6-Piston Caliper; all three give the X2 a larger, stiffer multi-piston clamp package than a typical single- or sliding-caliper street setup. The caliper choice is matched to the customer's exact U10 trim, wheel barrel, and spoke clearance rather than assumed from the X2 platform name.
Rear Caliper (Balance)
The rear axle uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options with 355 or 380mm carbon-ceramic rotors, so rear torque contribution is engineered with the 380mm front system instead of left as an afterthought. EPB integration is addressed during the rear-kit configuration because the U10 X2 uses an electronic parking brake system at the rear.
Front & rear, engineered together: StopFlex sizes the front and rear carbon-ceramic rotors, hats, brackets, and caliper mounts as one brake system for the confirmed X2 trim. That avoids the common front-only problem of adding front bite and heat capacity without matching rear stability, pedal feel, and electronic-brake compatibility.
Make It Yours — Color & Logo Customization
Every StopFlex kit-upgrade order can be finished with custom caliper colors, a custom caliper logo, and custom rotor hat colors, so the brake package matches your exact build instead of a fixed off-the-shelf look.
- Custom caliper color
- Custom caliper logo
- Custom rotor hat color
Why StopFlex CCB
Lower Unsprung Mass
StopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.
High-Temperature Stability
The carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.
Rust-Free Rotor Surface
Carbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.
Long Street-Service Potential
In normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.
Low Visible Dust
When paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.
Premium Ceramic-Glaze Appearance
StopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.
Street-Usable Cold Bite
Street Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.
Continuous Fiber Reinforcement
Long-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.
Street / Track-Day / Motorsport Rotor Options
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Package Scope
| Item | Details |
|---|---|
| Front calipers | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options |
| Front CCB rotors | 380mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| Rear CCB rotors | 355/380mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| Rotor hats and floating hardware | Vehicle-specific hardware package |
| Brake lines | Included for complete kit-upgrade orders |
| Color customization | Custom caliper colors, a custom caliper logo, and custom rotor hat colors are available for every kit-upgrade order. |
| Order scope | Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation. |
| Front caliper option mapping | V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper — 380 mm rotor GT6 = Genuine Brembo GT | M6 6-Piston Caliper — 380 mm rotor GTS6 = Genuine Brembo GT | S6 6-Piston Caliper — 380 mm rotor |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 355 / 380 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 355 / 380 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 355 / 380 mm rotor |
EPB & Rear Caliper Options
This vehicle leaves the factory with an electronic parking brake (EPB) built into the rear brake, so the rear of the kit is built to keep that EPB working. There are two rear paths. The first is a dual-caliper rear: a main performance caliper handles braking while a dedicated EPB actuator caliper is retained alongside it, so the electronic parking brake, auto-hold, and hill-start assist all keep working; on this path the rear performance caliper can be the TTSPORT EP4 / EP4S 4-piston caliper. The second is an EPB-integrated caliper, a single rear caliper with the electromechanical parking-brake motor built in for a cleaner install with fewer parts behind the wheel; on this path the rear is the TTSPORT EP4 / EP4S 4-piston caliper with integrated EPB. Which path fits best depends on your exact trim and EPB configuration, your budget, your appearance preference, and your wheel size and spoke clearance. Confirm your car's rear-brake configuration with StopFlex before ordering so the correct EPB-compatible rear option is built for your kit.
| Rear option | What it is | Rear caliper | Best when |
|---|---|---|---|
| Dual caliper (EPB retained) | Performance caliper plus a dedicated EPB actuator caliper, both fitted on the rear, so the factory electronic parking brake keeps working. | TTSPORT EP4 / EP4S 4-Piston Caliper | You want guaranteed factory EPB, auto-hold, and hill-start behavior preserved. |
| EPB-integrated caliper | A single rear caliper with the electromechanical parking-brake motor built in, for a cleaner install with fewer parts behind the wheel. | TTSPORT EP4 / EP4S 4-Piston Caliper with integrated EPB | You want a cleaner single-caliper rear with full EPB function. |
FAQ
Will this kit fit my exact 2024-2026+ BMW X2 U10 trim?
Fitment is confirmed per vehicle, not by chassis name alone. StopFlex verifies your exact X2 trim, such as xDrive28i or M35i xDrive, along with factory brake package, hub/knuckle geometry, wheel size, wheel offset, and spoke clearance before machining brackets and rotor hats.
What wheel size do I need for the 380mm front rotor?
The 380mm front rotor requires at least a 19-inch wheel. Diameter clearance is only the first check; the Brembo V6 / GT6 / GTS6 6-piston caliper also needs enough spoke clearance, so wheel model, width, offset, and a template check are required before production.
Will the electronic parking brake still work?
Yes, the rear configuration is built around the U10 X2's factory electronic parking brake requirement. StopFlex confirms the rear caliper option and EPB interface for the customer's exact trim before the kit is finalized.
Why switch a BMW X2 U10 from iron brakes to carbon-ceramic?
Carbon-ceramic rotors reduce brake dust and rotating mass compared with iron rotors while giving the 380mm front setup more thermal margin during repeated high-speed stops. The payoff is most noticeable on heavy street use, mountain driving, track-day sessions, and open-wheel builds where iron dust and heat checking are recurring issues.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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