ZCOO B005 EXR front brake pads for the QJMotor SRK 800 RC, part Z-B005-EXR
02 · Data & docs

The facts.

Technical data
Part numberZ-B005-EXR (EAN 4950545771773)
Pad codeZRM-B005C
CompoundZCOO EXR - ceramic-sintered, successor to EXC Endurance
Pad dimensions102.2 x 42.0 x 8.05 mm (L x H x thickness)
Caliper familyBrembo
PositionFront axle only
FitmentQJMotor SRK 800 RC, 2026-2026
Contents per pack1 set = 2 pads for one caliper; a machine with twin front discs needs two packs
Road approvalNo ECE R90 type approval documented - track and competition use
ManufacturerOkada Corporation, Japan
DescriptionThe whole story

Nothing exposes a brake pad like an SRK 800 RC on its fourth consecutive flying lap. ZCOO covers the QJMotor SRK 800 RC with the B005, a 102.2 by 42.0 mm face carried on 8.05 mm of total section. In EXR form the B005 carries ZCOO's 2026 compound, the mixture that replaces EXC Endurance.

Key Features

  • The B005 shape also serves 117 further machines in the ZCOO 2026 catalogue, so availability stays good
  • Stable friction from the first squeeze to the wear limit, so the SRK 800 RC brakes the same on a cold morning and at the bottom of a pass
  • Predictable in the wet, because the compound does not need temperature to start working on a SRK 800 RC
  • Listed for the QJMotor SRK 800 RC across 1 model year (2026)
  • Even pressure distribution across the 102.2 by 42.0 mm face from new to the wear limit
  • Compatible with the standard Brembo retaining pin and spring of the SRK 800 RC - nothing else to buy

Construction and Material Quality

The B005 shares its construction with the pads ZCOO supplies to endurance teams. On a face of 102.2 by 42.0 mm even a small amount of plate flex changes where the pressure lands. The effect is a B005 that presents the same geometry to the disc near the wear limit as it did new.

Performance and Feel

EXR's headline claim is specific: up to twenty percent more braking force in the second phase of braking. EX Race is the control mixture; EXR takes the harder bite EXC was known for and rebuilds the progressiveness around it. Which on an SRK 800 RC is the whole reason to change compound in the first place.

Fitment and Compatibility

ZCOO's fitment data gives the B005 for the SRK 800 RC built between 2026 and 2026. The B005 fits the front axle of the SRK 800 RC and nothing else. The same B005 shape covers 117 further machines in the 2026 catalogue. Before ordering, check that your caliper takes a pad of 102.2 mm length and 42.0 mm height.

Road Approval

No ECE R90 type approval is documented for this pad. It appears neither in ZCOO's own catalogue nor on the European distributor's site, and no approval number is printed on the packaging data available to us. ZCOO itself describes the compound as suited to competition machines and road machines alike, but that is a description of the mixture, not a type approval. Until the distributor confirms an approval in writing, treat this as a track and competition part: in Germany a replacement brake pad without ECE R90 approval may not be fitted to a motorcycle used on public roads. Ask us before ordering if you need this clarified for your machine.

Specifications

  • Part number: Z-B005-EXR (EAN 4950545771773)
  • Pad code: ZRM-B005C
  • Compound: ZCOO EXR - ceramic-sintered, successor to EXC Endurance
  • Pad dimensions: 102.2 x 42.0 x 8.05 mm (L x H x thickness)
  • Caliper family: Brembo
  • Position: Front axle only
  • Fitment: QJMotor SRK 800 RC, 2026-2026
  • Contents per pack: 1 set = 2 pads for one caliper; a machine with twin front discs needs two packs
  • Road approval: No ECE R90 type approval documented - track and competition use
  • Manufacturer: Okada Corporation, Japan
What's includedEverything in the box
  • 1 set = 2 ZCOO B005 EXR brake pads for one caliper
FitmentWhich bikes this fits
  • QJMotor SRK 800 RC (2026–2026)
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