BSD Substance Mid Bottom Bracket (Silver) (24mm)

BSD Substance Mid Bottom Bracket Kit Description:

The BSD Substance Mid Bottom Bracket Kit keeps your bike dialed in and running smooth. With 19mm, 22mm, and 24mm options, BSD has got you covered.

Features:

• 2 precision sealed bearings
• 2 CNC machined 6061 aluminum cone spacers
• Aluminum internal spacer
• 4 steel crank arm spacers for dialing in your chain alignment

Specifications:

• BB Type: Mid
• Spindle Sizes: 19mm, 22mm & 24mm
• Center Spacer Width: –
• Color: Silver
• Weight: 5.8 oz

Be sure to grease up your new bottom bracket kit while installing it. This makes installation easier and keeps the bearings running smooth with a longer lifespan. Find grease here.

This product was added to our catalog on August 19, 2025