X-RIDER 4-Piston Caliper 40-Hole
- Limited stock! Customized Products Few On Stock Out Of Stock
X-RIDER Four-Piston Caliper 40mm Mount
Model: BK-4R/L-008
- Piston Diameter, Spacing: 30mm, 38mm
- Piston Material: Aluminum alloy, hard anodized
- Caliper Mounting: 40mm (with M10 hole diameter)
- Caliper Material, Processing: 6061-T6 aluminum alloy, CNC machined
- Bleed Screw: M10 x 1.0P
- Orientation: Left, Right
Opposed four-piston caliper with CNC carved aesthetic
Single oil seal, no dust seal: Provides better sealing and reduces internal wear.
International standard bleed port thread: Complies with international standards, high compatibility, making upgrades and maintenance more convenient.
All series brake pads come with stainless steel shims
This prevents the brake pads from shaking and damaging the main body
The caliper uses a single oil seal without a dust seal
The bleed port thread specification is the same as internationally renowned manufacturers #1.0mm
Precautions:
- It is normal for anodized calipers to have a slight color difference from the photos.
- This product is a braking component and belongs to highly safety-related parts. Before purchasing, using, installing, or modifying, it must be confirmed by professional personnel. Installation should be performed with special tools according to the instructions or relevant technical data.
- If poor braking function results from insufficient technical experience, incorrect product purchase, or incorrect installation, affecting driving safety or even leading to traffic accidents, the company shall not be held responsible. Consumers have no right to demand direct or indirect related responsibilities from the company.
- Price does not include labor costs.
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Does the price include shipping?
Enjoy free shipping on orders over NTD$3,500. Orders below NTD$3,500 will incur a shipping fee of NTD$100. This offer is valid for Taiwan mainland destinations only.
Do the products come with a warranty?
Warranty coverage begins from the date the product is delivered to and signed for at the designated delivery address, provided that no visible defects or damage are reported upon receipt. Warranty periods vary by product category as follows:
Front and Rear Suspension Systems: 1-Year Warranty
Brake Components: 6-Month Warranty
Other Accessories and Premium Parts: 3-Month Warranty
Warranty Terms & Conditions: RPM reserves the right of final interpretation regarding all warranty policies and conditions. If you have any questions or concerns, please contact us for assistance.
Can products be shipped outside of Taiwan?
For purchases and shipments outside of Taiwan, please contact our international sales team for assistance.







