
XYZ Racing Hollow Rear Brake Kit — Toyota C-HR (2017-2018)
SKU: XYZ-BRK-BKR-TO-017-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø356–421 mm
- Caliper pots6 / 8-pot
- Lead time10–15 working days
Fits Toyota C-HR (2017-2018)
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Caliper render for this kit:

The C-HR sits taller and carries more of its mass behind the front axle than a conventional hatchback, and in standard form its rear brakes are asked to do little beyond keeping the back end steady while the front does the stopping. Load it with passengers and luggage, work it down a long descent, or string together hard stops, and those modest rear discs are the first to go hot and vague. The XYZ Racing Hollow Rear Brake Kit for the Toyota C-HR is built to address exactly that shortfall.
This is a rear-axle upgrade centred on larger, hollow-vane two-piece floating discs that shed rotating and unsprung mass while adding the thermal capacity a heavier crossover needs. Supplied as a matched pair of rear calipers and discs, the payoff is a firmer, more repeatable pedal when the brakes are working hard, and a rear end that stays settled rather than skating under heavy retardation. Pad compound is your call: Street, Sport or Racing.
What this brake kit does for your 2017-2018 Toyota C-HR
Behind the wheels of a 2017-2018 C-HR, the upgraded rear discs give you more surface area to absorb heat, so the pedal holds its travel through repeated stops instead of going long. The two-piece floating disc trims weight at each rear corner, which the TNGA-C platform feels as quicker response over broken surfaces and a little less inertia to manage. Specify the Racing compound and you get bite from cold through to hot that the factory rear pads never offered; the Street compound keeps things quiet and low-dust for daily driving, while the Sport pad sits in between for harder fast-road use. Balance is the real gain here: a stronger, more stable rear axle lets the front brakes do their work without the back stepping out of line, so the car tracks straight under hard braking.
About the Hollow Rear Brake Kit
The Hollow Rear Brake Kit takes its name from its disc construction, where a hollow-vane design lightens the rotor to cut rotational and unsprung mass without sacrificing the thermal mass a larger rear disc brings. The discs are two-piece and floating, with a lighter alloy bell, so less spinning weight means the brakes take up and release load more readily, and less unsprung weight helps the dampers keep the rear tyres in contact with the road. The caliper is hollow-bodied as standard, with an optional Hollow Racing upgrade that drops the dust cover, is rated to 1000C and carries a two-year warranty for harder use.
Three pad compounds span the use cases: Street for stock-feel road use and low dust, Sport for sharper fast-road bite, and Racing for track and hard driving where heat tolerance comes first. Calipers are finished in Red, Yellow, Gold, Black or Anodized Black at no extra cost, with a Custom Color in any Pantone, premium polished-forged finishes in titanium, polished gold or polished silver, and candy finishes in teal, blue, red or orange. Discs are drilled or slotted at the same price, and the centre bell can be upgraded to two-tone anodized in five colours or titanium. As a rear-specific kit it pairs with a front upgrade or sharpens the standard car’s rear balance on its own.
Fitment for the Toyota C-HR (2017-2018)
This kit is specified for the Toyota C-HR built between 2017 and 2018 and fits the rear axle only, supplied as a matched left-and-right pair. Check your car’s year and wheel size against the configurator before ordering, since rear clearance depends on the wheels already fitted to your car.
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Pick your pad compound, disc style and caliper colour from the configurator above when you order your C-HR rear kit.
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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