ZCOO B002 EXR front brake pads for the QJMotor SRT 450 RX, part Z-B002-EXR
02 · Data & docs

The facts.

Technical data
Part numberZ-B002-EXR (EAN 4950545771766)
Pad codeZRM-B002C
CompoundZCOO EXR - ceramic-sintered, successor to EXC Endurance
Pad dimensions75.5 x 55.0 x 8.5 mm (L x H x thickness)
Caliper familyBrembo
PositionFront axle only
FitmentQJMotor SRT 450 RX, 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

There is less rotor on an SRT 450 RX to absorb the heat a hard stop makes. For the QJMotor SRT 450 RX of 2026 that shape is the B002, a 75.5 by 55.0 mm face on a laser-cut backing plate. EXR is new for 2026 and succeeds EXC Endurance rather than sitting beside it in the B002.

Key Features

  • Durability equal to or better than EXC Endurance, which itself lasted around twice as long as EX Race
  • Machined, not moulded: the B002 plate is cut to the Brembo outline rather than pressed to an approximate one
  • Tested and specified for the 2026 model years of the QJMotor SRT 450 RX, not extrapolated from a neighbouring year
  • Resists glazing under sustained pressure, which is what ends most organic pads on an SRT 450 RX
  • Wear stays even across the 75.5 mm of friction face rather than concentrating at the leading edge
  • Two pads per pack, matched as a set for one Brembo caliper

Construction and Material Quality

ZCOO builds the B002 the same way whether it ends up on an SRT 450 RX or on a race bike. On the B002 the ceramic material is sintered onto a laser-cut metal plate rather than pressed against it. Together they remove the two things that normally end a sintered pad, and the B002 is built against both: fade at the top of the range, and the friction layer lifting away.

Performance and Feel

For an SRT 450 RX the interesting number is not the first bite but what is left at the end of the zone. On the QJMotor SRT 450 RX the twenty percent shows up as a braking marker that can move rather than one that has to. For a rider working on braking technique on an SRT 450 RX, that is exactly what an upgrade should buy.

Fitment and Compatibility

ZCOO's fitment data gives the B002 for the SRT 450 RX built between 2026 and 2026. The same B002 shape covers 75 further machines in the 2026 catalogue. Before ordering, check that your caliper takes a pad of 75.5 mm length and 55.0 mm height. Front axle exclusively - there is no rear B002.

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-B002-EXR (EAN 4950545771766)
  • Pad code: ZRM-B002C
  • Compound: ZCOO EXR - ceramic-sintered, successor to EXC Endurance
  • Pad dimensions: 75.5 x 55.0 x 8.5 mm (L x H x thickness)
  • Caliper family: Brembo
  • Position: Front axle only
  • Fitment: QJMotor SRT 450 RX, 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 B002 EXR brake pads for one caliper
FitmentWhich bikes this fits
  • QJMotor SRT 450 RX (2026–2026)
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