
XYZ Racing Hollow Rear Brake Kit — Citroen C2 (2003-2009)
SKU: XYZ-BRK-BKR-CI-001-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø380–421 mm
- Caliper pots8-pot
- Lead time10–15 working days
Fits Citroen C2 (2003-2009)
Added to basket ✓
Caliper render for this kit:

The Citroen C2’s light tail and twist-beam rear axle give it the lift-off rotation that made the Saxo lineage a grassroots favourite, but the factory rear brakes were never specced for repeat hard stops on a circuit. The XYZ Racing Hollow Rear Brake Kit addresses that directly, bringing genuine rear disc capacity and modulation to a 2003-2009 C2 that is seeing track, sprint or fast-road duty.
This is a rear-axle upgrade, not a styling exercise. It is a matched pair of rear calipers and discs for the back of the car, with three pad compounds and a hollow-vane disc design that sheds heat and rotating mass. Together they let you set rear braking authority to match how hard you lean on the pedal into a corner.
What this brake kit does for your 2003-2009 Citroen C2
Fit it and the first thing you feel on a 2003-2009 Citroen C2 is consistency, the rear holding its bite instead of fading away after three or four hard stops down from speed. Because the C2 is so light, the rear axle contributes more to rotation than its size suggests, and sharper, more progressive rear braking lets you trail the pedal deeper into a corner and use the tail to help point the nose. The Racing compound delivers bite and heat tolerance for circuit work; the Street compound keeps cold-brake manners and low dust for the daily commute; and Sport sits between the two for fast-road driving with the odd track day. The hollow-vane disc trims rotating and unsprung weight at the rear, which the C2’s twist-beam axle rewards with cleaner bump response.
About the Hollow Rear Brake Kit
The Hollow Rear Brake Kit is a rear-axle disc upgrade built to match an uprated front setup rather than work against it. Each kit is a pair of rear calipers and two-piece floating discs, available drilled or slotted at the same price, with braided lines to firm up the pedal. The calipers are hollow-body as standard, so the heat management and weight saving are baked in; for serious circuit use you can specify the optional Hollow Racing upgrade, which drops the dust cover, is rated to 1000C and carries a two-year warranty. Three pad compounds cover the full spread of C2 use: Street for everyday driving, Sport for fast-road and spirited B-road work, and Racing for sustained circuit and sprint sessions where rear fade resistance earns its keep. Painted calipers come in Red, Yellow, Gold, Black and Anodized Black at no extra cost, or you can specify any Pantone shade as a Custom Color for a small upcharge. Premium polished-forged finishes (Titanium, Polished Gold, Polished Silver) and candy finishes (Candy Teal, Candy Blue, Candy Red, Candy Orange) are also on the menu, alongside two-tone centre bells in five anodized colours or titanium. The point of a rear kit on a car this light is balance, giving you the rear braking authority to set bias deliberately instead of living with whatever the factory hardware allowed.
Fitment for the Citroen C2 (2003-2009)
This kit is sized for the Citroen C2 across the full 2003-2009 production run. It fits the rear axle, so confirm your exact trim and current rear setup against the options when you order, since C2 variants left the factory with differing rear hardware. Pad compound, disc style, caliper finish and centre bell are all chosen at checkout.
What buyers also search for
- Citroen C2 rear brake upgrade for track days, sprints and fast-road use
- Citroen C2 big brake kit with Racing, Sport and Street pad compound options
- Rear disc and balance upgrade for a light twist-beam Citroen C2
- Citroen C2 caliper colour choices including red, yellow, gold, black and custom Pantone
- Fade-resistant rear braking for the 2003-2009 C2 on repeat hard stops
Choose your pad compound and caliper finish for the C2 from the options above, and the kit is built to your spec.
What’s in the kit
Rear axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 380–421 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 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: OE handbrake not retained — a hydraulic handbrake is required.
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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