Aluminum Bicycle Bottom Bracket Spacer Kit For 7 8 9 10 11 Speed Cassettes And Freewheels With 1mm 1.5mm 2mm 2.5mm 3mm Spacers For Dialed In Symmetric Adjustment And Quick Smooth Gear Shifts On Any Ride

Aluminum BB Spacer Kit - 10 spacers for 7-11 speed
✔️ Dialed-in symmetric spacers for precise shifts across 7-11 speeds

Made from anodized aluminum alloy, this spacer kit supports conversion and tuning for 7-11 speed cassettes and freewheels. It's handy to fix chainline and derailleur clearance on road or mountain bikes, providing reliable shifting on any ride.

✅ Material: Anodized aluminum alloy for durability and lightweight
✅ Compatibility: fits 7/8/9/10/11 speed cassettes and bottom bracket adjustments
✅ Includes: 10 spacers total (2x each of 1mm, 1.5mm, 2mm, 2.5mm, 3mm)
✅ Dimensions: Inner diameter 35mm, Outer diameter 42mm
✅ Color options: Black, Red

💡 What is a bicycle bottom bracket spacer kit used for and how does it help with gear shifting?

This handy kit is great for dialing in chainline and improving shifting consistency across different gear setups. - Precise chainline alignment for 7-11 speed systems - Handy for front derailleur downshift alignment and frame clearance - Supports adapting freewheels and hubs for different gear setups