TOOPRE Bike Repair Tools for MTB and Road Bikes – Cassette Wrench, Freewheel Socket, Bottom Bracket Socket, Crank Puller, Hub Wrench, and Chain Breaker

The TOOPRE Bicycle Repair Tool Kit is a practical and durable tool series for everyday bicycle maintenance and repair. It includes essential tools for removing and installing cassettes, freewheels, crank arms, bottom brackets, hubs, and chains.

Made from high-quality high-carbon steel, these tools are heat-treated for strength and hardness, fully electroplated for rust resistance, and finished with sandblasting technology for a professional appearance and better grip. Whether you are a home mechanic, bike shop technician, or cycling enthusiast, this tool set helps make bicycle repair easier, safer, and more efficient.

Key Features

• Professional Bicycle Repair Tools
  Designed for cassette, freewheel, bottom bracket, crank, hub, and chain maintenance.

• High-Carbon Steel Construction
  Made from durable high-carbon steel for high strength, wear resistance, and long service life.

• Heat-Treated & Hardened
  Heat treatment improves hardness and impact resistance, helping prevent deformation during use.

• Electroplated Anti-Rust Finish
  Fully electroplated surface helps resist rust and corrosion, ideal for long-term workshop use.

• Precise Fit & Secure Engagement
  CNC-machined and precision-molded teeth provide a tight fit, reducing slipping and protecting bike components.

• Comfortable Non-Slip Handle
  The cassette chain wrench features a thickened rubber handle with anti-slip texture for better grip and control.

• Wide Bike Compatibility
  Suitable for mountain bikes, road bikes, electric bikes, BMX, fixed gear bikes, and other common bicycle types.

Available Tool Options

1. Cassette Wrench / Chain Whip

Used to hold the cassette or freewheel in place during removal or installation.
Features a strong steel body, high-strength chain, and comfortable rubber handle.

Specifications:

• Total length: approx. 273 mm
• Handle length: approx. 125 mm
• Chain length: approx. 210 mm
• Body thickness: approx. 4 mm
• Weight: approx. 302 g per card

2. Cassette Socket

Used for removing and installing cassette lockrings.

Specifications:

• Size: 24 mm
• Inner hole: approx. 13 mm
• Height: approx. 41 mm
• Compatible with common 6/7/8/9/10/11-speed cassette flywheels
• Weight: approx. 78 g per card

3. Freewheel Socket

Used for removing and installing screw-on freewheels.

Specifications:

• Size: 21 mm
• Inner hole: approx. 13 mm
• Height: approx. 43.8 mm
• Compatible with common 6/7/8/9/10/11/12-speed screw-on freewheels
• Weight: approx. 71 g per card

4. Hub Wrench

A double-ended four-size hub cone wrench for bicycle hub adjustment and maintenance.

Specifications:

• Sizes: 13 / 14 / 15 / 16 mm
• Total length: approx. 203 mm
• Width: approx. 46 mm
• Thickness: approx. 2.5 mm
• Weight: approx. 208 g per card

5. Bottom Bracket Socket

Used for removing and installing square taper and spline bottom brackets.

Specifications:

• 20-tooth design
• Compatible with 20-spline bottom brackets
• Backward compatible with some 16-spline bottom brackets
• Size: 24 mm
• Height: approx. 56 mm
• Outer diameter: approx. 31.7 mm
• Weight: approx. 145 g per card

6. Anti-Drop Device

An optional anti-falling tool used with the bottom bracket socket to prevent the socket from slipping off during operation.

Specifications:

• Main screw length: approx. 79 mm
• Thread: M8
• Pressing nut diameter: approx. 23.7 mm
• Weight: approx. 86 g per card

7. Crank Puller

Used for removing bicycle crank arms from square taper and spline bottom bracket systems.

Specifications:

• Suitable for square taper crank removal
• Use with top cap for spline bottom bracket systems
• Hardened steel construction
• Weight: approx. 130 g per card

8. Top Cap

Used together with the crank puller to protect the bottom bracket spindle and assist crank removal.

Specifications:

• Reinforced design
• Helps prevent damage to the center shaft
• Weight: approx. 12.6 g per piece

9. Chain Breaker

Used for bicycle chain removal, cutting, and repair.

Specifications:

• High-carbon steel structure
• Suitable for common bicycle chains
• Weight: approx. 148 g per card

Material & Craftsmanship

• Material: High-quality high-carbon steel
• Surface treatment: Fully electroplated
• Process: Heat-treated and hardened
• Finish: Sandblasted anti-slip surface
• Features: Rust-resistant, durable, high hardness, precise fit

Compatibility

Suitable for:

• Mountain bikes
• Road bikes
• Folding bikes
• BMX bikes
• Fixed gear bikes
• Electric bicycles
• Most standard bicycle cassette, freewheel, crank, bottom bracket, hub, and chain maintenance tasks

Package Includes

Package contents depend on the selected option. Available options include:

• Cassette Wrench
• Cassette Socket
• Freewheel Socket
• Hub Wrench
• Bottom Bracket Socket
• Anti-Drop Device
• Crank Puller
• Top Cap
• Chain Breaker

Notes

• Please select the correct tool option according to your bike component type.
• Manual measurement may result in slight size differences.
• Product color and finish may vary slightly due to lighting and screen settings.
• For best results, use the tool with a compatible wrench or handle.