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RISK RL232 Aluminum Screw Measuring Ruler for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge

Name: RISK RL232 Aluminum Screw Measuring Ruler for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge
Brand: DJC Bikes - DJC Components
Price: 9.58 USD
Availability: InStock

$9.58 ~~$13.30~~

-28%

RISK RL232 Aluminum Screw Measuring Ruler for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge.

The hole that fits correctly indicates the bolt diameter, such as M5 ≈ 5mm.

For special bolts, always confirm compatibility with the original part specification.

Options: Bolt Measuring Ruler 1 Piece.

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Specifications
Warranty FAQ

RISK RL232 Aluminum Screw Measuring Ruler for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge

The RISK RL232 Aluminum Bolt Measuring Ruler is a compact measuring tool designed for identifying bicycle bolt diameter and bolt length. It helps users quickly check common metric screw sizes and select the correct replacement bolt for bike repair and maintenance.

Made from lightweight aluminum alloy, this ruler features a 0–75mm length scale and bolt diameter gauge holes for M3, M4, M5, M6, M8, and M10 screws. Its pocket-size card design is easy to carry, store, and use in a workshop or home repair kit.

This tool is especially useful for measuring titanium bolts, crank bolts, stem bolts, brake bolts, bottle cage bolts, and other bicycle fasteners.

This product includes the measuring ruler only. Bolts shown in images are for display purposes and are not included.

Key Benefits

Bolt Diameter Measurement
Built-in gauge holes for M3 / M4 / M5 / M6 / M8 / M10 bolts.
Bolt Length Measurement
Edge ruler measures bolt length from 0 to 75mm.
Metric Screw Size Identification
Helps determine bolt specifications such as M5×20mm or M6×40mm.
Aluminum Alloy Material
Lightweight, durable, and resistant to daily workshop wear.
Compact Card Design
Small enough to keep in a toolbox, repair kit, or parts drawer.
Clear Printed Markings
Easy-to-read scale and hole labels for quick checking.
Useful for Bike Maintenance
Helps identify common bicycle bolts before replacement or upgrade.

Suitable For

Bicycle bolt measurement
Titanium bolt size checking
Screw diameter identification
Bolt length checking
Bike repair shops
Home bike mechanics
Workshop tool kits
MTB, road, gravel, folding, and commuter bike maintenance
Measuring stem, brake, bottle cage, crank, derailleur, and accessory bolts

How to Use

Insert the bolt thread into the matching gauge hole.
The hole that fits correctly indicates the bolt diameter, such as M5 ≈ 5mm.
Place the bolt along the ruler edge to measure the threaded length.
Combine the diameter and length to determine the bolt size, such as M5×20mm.

Notes

This tool is for measuring metric bolt diameter and length.
Bolts, screws, and other accessories shown in images are not included.
Measure the threaded section according to your actual bolt type.
Manual measurements may vary slightly.
For special bolts, always confirm compatibility with the original part specification.

Product Details

Item	Specification
Brand	RISK
Model	RL232
Product Name	Aluminum Bolt Measuring Ruler
Material	Aluminum Alloy
Color	Blue
Measurement Range	0–75mm
Bolt Gauge Sizes	M3 / M4 / M5 / M6 / M8 / M10
Product Size	Approx. 83 × 42 × 3mm
Net Weight	Approx. 17.1g
Package Size	Approx. 16 × 10 × 0.3cm
Packaging	RISK branded bag
Package Includes	1 × RISK RL232 Bolt Measuring Ruler
Key Feature	Bolt Diameter Measurement Built-in gauge holes for M3 / M4 / M5 / M6 / M8 / M10 bolts. Bolt Length Measurement Edge ruler measures bolt length from 0 to 75mm.
Compatibility	for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge

RISK RL232 Aluminum Screw Measuring Ruler for M3-M10 Bicycle Bolts, Workshop Hardware Size Identification Gauge

Available Options

Each row below is one available option combination. Choose the complete combination that matches your setup.

Option 1
Bolt Measuring Ruler 1 Piece

All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty

1 How long is the warranty?
We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.

2 Do need to pay tax duty when package arrive my country?
You no need to pay tax when package arrive your country, most countries in the world no need pay.
USA aslo no need tax duty and tariff, our carrier will cover it.

Brazil, Chile, Columbia clients need pay import duty when package arrive your country.

3 Can I return the goods if I am not like it?
Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.

Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.

4 How long is the shipping time?
To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.

5 How can I know the tracking number?
We will send the tracking code to your email automatically after we send the package. check the track update here https://www.17track.net/en

Support email info@djcbikes.com

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