













RISK titanium brake caliper bolt
Upgrade your road bike brake calipers with the RISK RT147/RT148 titanium alloy bolt set, designed for Shimano road hydraulic disc brake calipers. Made from lightweight titanium alloy, these bolts offer excellent strength, corrosion resistance, and a premium appearance for performance road bikes.
Available in two types:
RT147 M6×22 brake caliper locking bolt and RT148 M6×24 oil hose bolt with O-rings. Both versions use a T30 Torx interface for secure installation and reliable tightening.
Suitable for Shimano road hydraulic disc brake calipers such as R4770, R7070, R8070, R7170, R8170 and similar compatible models.
| Item | Specification |
|---|---|
| Model | RT147 |
| Material | Titanium Alloy |
| Thread Size | M6 |
| Bolt Size | M6 × 22 mm |
| Total Length | Approx. 26 mm |
| Head Diameter | Approx. 10 mm |
| Tool | T30 Torx Wrench |
| Weight | Approx. 2.5 g / piece |
| Package | 1 bolt per bag |
| Colors | Rainbow / Gold / Black |
| Item | Specification |
|---|---|
| Model | RT148 |
| Material | Titanium Alloy |
| Thread Size | M6 |
| Bolt Size | M6 × 24 mm |
| Total Length | Approx. 28 mm |
| Head Diameter | Approx. 13.2 mm |
| Tool | T30 Torx Wrench |
| Included | 1 bolt + 2 O-rings |
| Weight | Approx. 3.7 g / set |
| Package | 1 set per bag |
| Colors | Rainbow / Gold / Black |
Compatible with Shimano road hydraulic disc brake calipers, including but not limited to:
Note: Please check the original brake caliper bolt size and follow the manufacturer’s recommended torque specification before installation.

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