RISK Aluminum Bike Crank Cap, Chainring Dust Cover & Crank Cap Tool for Hollowtech Cranks RA158/RA159/RL302
RA158 – M20 4-Tooth Crank Cap Screw
Descriptions
RISK Aluminum Crank Cap / Dust Cover / Crank Cap Tool
Upgrade and protect your bicycle crankset with the RISK aluminum crank cap and dust cover series. Designed for integrated hollow cranksets, these lightweight accessories help protect the crank interface from dust while adding a clean and stylish finish to your bike.
This series includes the RA158 M20 4-tooth crank cap screw, RA159 chainring dust cover, and RL302 aluminum crank cap tool. Suitable for many integrated hollow crank systems, including Deore, XT, SLX, XTR, 105, Ultegra, Dura-Ace and other compatible cranksets.
Key Features
- Aluminum Alloy Construction
Made from lightweight metal material with a durable anodized finish. - Designed for Integrated Hollow Cranks
Suitable for Shimano-style integrated hollow cranksets and similar crank systems. - Clean Protection for Crank Interface
Helps cover the crank opening and reduce dust entry. - Lightweight Design
Small, practical, and ideal for road bikes, mountain bikes, gravel bikes, and folding bikes. - Three Available Options
Choose the crank cap screw, dust cover, or installation tool according to your needs. - Easy Installation
The RL302 tool is designed to work with a 6 mm hex wrench for convenient crank cap installation and removal. - Sleek RISK Branding
Black finish with white RISK logo for a clean and professional look.
Product Options
RA158 – M20 4-Tooth Crank Cap Screw
The RA158 is an aluminum crank cap screw with a 4-tooth design. It is designed for compatible integrated hollow cranksets with M20 x P1.0 thread specification.
Specifications:
| Item | Details |
|---|---|
| Model | RA158 |
| Product Name | M20 4-Tooth Crank Cap Screw |
| Material | Aluminum Alloy / Metal |
| Thread | M20 x P1.0 |
| Diameter | Approx. 25 mm |
| Height | Approx. 11 mm |
| Net Weight | Approx. 3.7 g |
| Package Weight | Approx. 6 g |
| Package Size | Approx. 10 × 8 × 1 cm |
| Quantity | 1 pc |
RA159 – Chainring Dust Cover
The RA159 is a crank / chainring dust cover designed to protect the crank area and provide a clean finishing appearance.
Specifications:
| Item | Details |
|---|---|
| Model | RA159 |
| Product Name | Chainring Dust Cover |
| Material | Aluminum Alloy / Metal |
| Diameter | Approx. 25.8 mm |
| Height | Approx. 9 mm |
| Rubber Ring Size | Approx. 20 × 4 mm |
| Net Weight | Approx. 5.4 g |
| Package Weight | Approx. 7 g |
| Package Size | Approx. 10 × 8 × 1 cm |
| Quantity | 1 pc |
RL302 – Aluminum Crank Cap Tool
The RL302 is an aluminum crank cap installation and removal tool. It is designed to be used with a 6 mm hex wrench.
Specifications:
| Item | Details |
|---|---|
| Model | RL302 |
| Product Name | Aluminum Crank Cap Tool |
| Material | Aluminum Alloy / Metal |
| Tool Interface | 6 mm Hex |
| Diameter | Approx. 15 mm |
| Height | Approx. 19 mm |
| Net Weight | Approx. 6.5 g |
| Package Weight | Approx. 8 g |
| Package Size | Approx. 10 × 8 × 1 cm |
| Quantity | 1 pc |
Compatibility
Suitable for many integrated hollow cranksets, including:
- Shimano Deore
- Shimano XT
- Shimano SLX
- Shimano XTR
- Shimano 105
- Shimano Ultegra
- Shimano Dura-Ace
- Other compatible integrated hollow crank systems
Please check your crank specification before purchase.
Package Includes
Depending on the option selected:
- RA158: 1 × M20 4-Tooth Crank Cap Screw
- RA159: 1 × Chainring Dust Cover
- RL302: 1 × Aluminum Crank Cap Tool
Note: The product page only includes the selected crank cap, dust cover, or tool. Crankset, chainring, bicycle, hex wrench, and other accessories shown in images are not included.
Installation Notes
- The RL302 crank cap tool needs to be used with a 6 mm hex wrench.
- Please confirm thread size and crank compatibility before ordering.
- Manual measurement may result in slight size and weight deviations.
- Install carefully and avoid over-tightening.
