Aluminium Alloy Bicycle Bottom Bracket Sealed Bearing

Sale price$19.99

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Options: BB51-24
SKU: 410117001
Description
  • Lightweight aluminum alloy design
  • Sealed bearing, waterproof & dustproof
  • Smooth rotation & durable performance
  • Lightweight aluminum alloy design
  • Sealed bearing, waterproof & dustproof
  • Smooth rotation & durable performance

INSTALLATION GUIDE

Locating the bottom bracket shell on a bicycle frame for ROCKBROS BB installation

1. Locate the bottom bracket (BB) shell on the bike frame.

Locating the bottom bracket shell on a bicycle frame for ROCKBROS BB installation

2. Insert the right side (marked "R") into the drive side of the frame.

Locating the bottom bracket shell on a bicycle frame for ROCKBROS BB installation

3. Insert the left side (marked "L") and use a dedicated BB tool to tighten/press it securely.

Locating the bottom bracket shell on a bicycle frame for ROCKBROS BB installation

4. Installation complete. Ready to ride!

Product specification

Heading

Value

BB51-24

Material: Aluminium Alloy, Nylon Inner Sleeve
Spacer Material: Nylon Spacers
Inner Diameter (ID): 24mm
Weight: Approx. 86g
Shell Width Compatibility: 68mm-120mm

BB51-29

Material: Aluminium Alloy, Nylon Inner Sleeve
Spacer Material: Aluminium Alloy Spacers
Inner Diameter (ID): 29mm
Weight: Approx. 72g
Shell Width Compatibility: 68mm-120mm

BB92-24

Material: Aluminium Alloy, Nylon Inner Sleeve
Spacer Material: Aluminium Alloy Spacers
Inner Diameter (ID): 24mm
Weight: Approx. 87g
Shell Width Compatibility: 86mm-92mm

BB92-29

Material: Aluminium Alloyn, Nylon Inner Sleeve
Spacer Material: Aluminium Alloy Spacers
Inner Diameter (ID): 29mm
Weight: Approx. 88g
Shell Width Compatibility: 86mm-92mm

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