X-RIDER Two-Piston Opposed Radial Caliper (Small Bun) 60-Hole
- Orderable Customized Products Few On Stock Out Of Stock
X-RIDER Two-Way Dual-Piston Radial Caliper (Xiao Mantou) 60mm Mount
Model: BK-T4F-008A
- Two-way line design
- Piston Diameter: 34mm
- Piston Material: Aluminum alloy, hard anodized
- Caliper Mount: 60mm
- Caliper Thread Size: M10 x 1.25P
- Caliper Material, Processing: 6061-T6 aluminum alloy, CNC machined
- Bleeder Screw: M10 x 1.0P
Two-way opposed dual-piston radial caliper with CNC engraved pattern design
Single oil seal, no dust seal: Provides better sealing and reduces internal wear.
International standard bleed screw thread: Conforms to international standards, high compatibility, making upgrades and maintenance more convenient.
All series have stainless steel shims next to the brake pads
Prevents brake pad shaking from damaging the caliper body
Caliper uses a single oil seal with no dust seal
Bleed screw thread specifications are the same as internationally renowned manufacturers #1.0mm
Notes:
- Color differences between anodized calipers and photos are normal.
- This product is a braking component and a safety-critical part. Before purchasing, using, installing, or modifying, it must be verified by a professional. Installation should be performed using specialized tools according to instructions or relevant technical data.
- The company is not responsible for direct or indirect liabilities arising from insufficient technical experience, incorrect product purchase, or incorrect installation leading to poor braking performance, affecting driving safety, or causing traffic accidents. Consumers have no right to demand that the company bear related responsibilities.
- Price does not include labor.
Successfully loaded pickup items

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.



