RISK Parts Mountain Road Bicycle Hollow Integrated Bottom Bracket Wrench DUB Crankset Installation and Removal Tool BB52 RL244 RL245 RL246 RL247

The RISK RL244-247 Bicycle Bottom Bracket Tool Series is designed for installing and removing threaded bicycle bottom brackets. It is suitable for a wide range of mountain bikes and road bikes, including models compatible with DUB, BB52, RS500, GXP, BBR60, MT800, BBR9100 and other threaded bottom bracket systems.

Made from durable metal material, these tools are ideal for bike repair, maintenance, workshop use, and home mechanics.

Key Features

• Professional Bottom Bracket Tool
  • Designed for threaded bicycle bottom bracket installation and removal.
• Multiple Compatibility Options
  • Covers common bottom bracket outer diameters including 39mm, 40.5mm, 44mm, and 45.5mm.
• Double-Sided Socket Design
  • RL244 and RL245 feature dual-size designs for wider compatibility.
• Anti-Drop Device Available
  • RL246 helps prevent the tool from slipping off during bottom bracket removal or installation.
• Ratchet Wrench Option
  • RL247 is a 3/8″ ratchet wrench suitable for use with compatible bottom bracket sockets.
• Durable Metal Construction
  • Strong and reliable for repeated maintenance use.
• Suitable for MTB and Road Bikes
  • Ideal for mountain bikes, road bikes, and general bicycle repair applications.

Compatibility Details

RL244 Bottom Bracket Socket

• Size 1: 45.5mm / 24T
  • Suitable for DUB bottom brackets and similar 45.5mm 24-notch BB cups.
• Size 2: 44mm / 16T
  • Suitable for BB52, RS500, GXP and similar 44mm 16-notch BB cups.
• Socket Outer Diameter: approx. 52mm
• Width: approx. 30mm
• Weight with Packaging: approx. 76g

RL245 Bottom Bracket Socket

• Size 1: 39mm / 16T
  • Suitable for BBR9100 and similar 39mm 16-notch BB cups.
• Size 2: 40.5mm / 16T
  • Suitable for BBR60, MT800 and similar 40.5mm 16-notch BB cups.
• Socket Outer Diameter: approx. 46mm
• Width: approx. 28mm
• Weight with Packaging: approx. 62g

RL246 Bottom Bracket Anti-Drop Device

• Helps prevent the socket from slipping off during use.
• Suitable for threaded bottom bracket removal and installation.
• Thread Size: M6
• Length: approx. 185mm
• Cone Diameter: approx. 52mm
• Weight with Packaging: approx. 73g

RL247 Ratchet Wrench

• Ratchet wrench for use with compatible bottom bracket sockets.
• Drive Size: 3/8″
• Length: approx. 200mm
• Weight with Packaging: approx. 320g

Package Includes

Please select the required option:

1. RL244 – BB44 / BB45.5 Threaded Bottom Bracket Socket x 1
2. RL245 – BB39 / BB40.5 Threaded Bottom Bracket Socket x 1
3. RL246 – Bottom Bracket Anti-Drop Device x 1 Set
4. RL247 – Ratchet Wrench x 1

Notes

• Please check your bottom bracket outer diameter and notch count before purchase.
• Manual measurement may have slight differences.
• Some bottom brackets may have non-standard sizes, please compare carefully before ordering.
• Product color may vary slightly due to lighting and screen settings.