
XYZ Racing Rear Brake Kit — Mini COUNTRYMAN SE ALL4 U25 (ELECTRIC) (2024-2026)
SKU: XYZ-BRK-BKR-BM-94-A-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø356–421 mm
- Caliper pots6 / 8-pot
- Lead time10–15 working days
Fits Mini COUNTRYMAN SE ALL4 U25 (ELECTRIC) (2024-2026)
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Available in 3 disc sizes — your kit ships in the size that fits your car:



The U25 Countryman SE ALL4 is the heaviest Mini ever built, and its dual-motor all-wheel-drive layout leans on regenerative braking for most everyday deceleration. That hands the rear friction brakes an awkward brief: long stretches of light duty, then sudden heavy demand the moment regen tapers off near its thermal or state-of-charge limits. The XYZ Racing Hollow Rear Brake Kit is built for exactly that hand-off.
Bolted to the rear axle of the electric Countryman as a single-axle kit, it fits a matched pair of rear calipers and two-piece floating discs, adding thermal capacity and bite where the factory setup is asked to scrub real kinetic energy out of a near-two-tonne EV. For fast-road drivers and the occasional track day, it keeps the back of the car composed once the motors stop doing the work and the pads have to.
What this brake kit does for your 2024-2026 Mini Countryman SE ALL4 U25
On a crossover this tall and this heavy, the rear axle carries more braking load than the badge suggests, and standing weight transfer into a tall body makes consistent rear bite worth having. The hollow-vane disc design trims rotating and unsprung mass at each rear corner, which sharpens response and helps the discs shed heat between stops. Three pad compounds let you match the car to its use: Street for daily running and town traffic, Sport for spirited B-road work, and Racing for sustained track sessions where the standard rear discs would otherwise glaze or fade. The result is a firmer, more repeatable pedal on long descents, motorway slowing from speed, and back-to-back corners, plus a rear end that does not go vague when regen drops out.
About the Hollow rear brake kit
The Hollow rear brake kit takes its name from its lightweight disc construction: a two-piece floating disc with hollow internal vanes that cut rotating mass and improve airflow through the rotor face for quicker cooling. The caliper is hollow-bodied as standard. It is a rear-axle upgrade aimed at owners who push a heavy electric crossover harder than its standard brakes were specified for. Pad compound is your call across Street, Sport and Racing options, so the same hardware can run as a refined road brake or a track-capable setup depending on the friction material you fit. Discs come drilled or slotted at the same price, with two-tone anodized or titanium centre bells selectable when you order. Calipers come finished in the included colours, Red, Yellow, Gold, Black and Anodized Black, with a Custom Color in any Pantone and premium polished-forged Titanium, Polished Gold and Polished Silver and candy Teal, Blue, Red and Orange finishes, so the visible hardware behind the wheel matches the rest of the build. Everything is sized for the U25 Countryman SE ALL4, not adapted from a generic kit.
Fitment for the Mini Countryman SE ALL4 U25 (2024-2026)
This kit fits the rear axle of the Mini Countryman SE ALL4 U25 electric model, model years 2024 to 2026. It is a rear-specific brake kit for the dual-motor all-wheel-drive variant. Confirm your exact chassis and build year against the options above before ordering.
What buyers also search for
- Mini Countryman SE ALL4 U25 rear brake upgrade for a heavy electric crossover
- Mini Countryman SE rear big brake kit with Racing pad option for track days
- Mini Countryman U25 electric brake kit that handles braking once regen drops out
- Mini Countryman SE ALL4 brake kit with caliper colour choice to match your build
Choose your pad compound and caliper colour from the options above when you order.
What’s in the kit
Rear axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 356–421 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 6 / 8-pot
- 2×High-stiffness mounting brackets
- 2×Braided stainless steel brake lines
- 4×High-performance brake pads (1 set)
- 1×Fitting hardware & tools pack
Parking brake: Electronic parking brake (EPB) compatible.
Choosing your spec
Every kit is built to order around the choices you make above. Here is what each option actually changes, so you can spec yours with confidence.
Brake pads — Street, Sport or Racing
Every kit ships with a full set of high-performance pads; the compound is your call.
Street is the right default for fast-road driving — a strong, progressive cold bite with low noise, low dust and long disc life. Sport raises the working temperature and adds bite and fade resistance for hard road use and the occasional track day, while still behaving on a cold morning. Racing is a track compound built for sustained abuse: huge fade resistance and bite once heat is in it, at the cost of more noise and dust when cold. Match the pad to how hard you actually use the brakes — there is no benefit to a race pad that never gets up to temperature.
Caliper grade — Hollow vs Hollow Racing
Hollow is the standard caliper on every kit: a hollow-body forged caliper, lighter than a solid one, fitted with a dust cover and backed by a 5-year oil-leak warranty. For most fast-road and spirited track use it is all the caliper you need.
Hollow Racing is the track-grade upgrade. It runs the same hollow body but without a dust cover (so there is nothing to melt at sustained high temperature), uses a twin-metal piston that isolates heat travelling from the disc to the oil seal, and is rated to 1000°C. Available 330–356mm (rear). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.

Caliper colour & finish
Painted colours (Red, Yellow, Gold, Black, Anodized Black) are included at no cost. Want an exact match to your car? Custom Color (+£150) paints the calipers to any Pantone code you supply (15–20 day lead time).
Polished Forged finishes are the flagship: a forged caliper given a mirror-polished surface treatment that shifts colour with the viewing angle. Beyond the looks, the polished surface dissipates heat better, resists rust and stands up to the weather. Choose Titanium (neochrome, +£350), Polished Gold (+£300) or Polished Silver (+£250). They look their best paired with a titanium centre bell. Care: clean only with a dilute neutral cleaner or water.
Candy colours (+£200) use a deep candy-paint and polishing process for a mirror-reflection, boutique finish — pick Teal, Blue, Red or Orange (shown below right).


Centre bells
The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. The standard anodized centre bell is included. The Two-tone bell (+£200) adds an anodized accent ring — choose Red, Yellow, Orange, Purple or Silver right here at checkout. The Titanium centre bell (+£500) is a forged titanium bell (bolts not included) that finishes off the polished-forged look.

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