Interloc Racing Design QB55 Cartridge Bottom Brackets – High-Quality JIS Square Taper, Sealed Bearings, Steel Cups, Various Spindle Sizes for Road & MTB Spindle Length:103mm Designed with Vittoria's proven TNT

Designed with Vittoria's proven TNT (Tube No-Tube) bead technology and approved for use with hookless rims

The lace closure system provides customizable fit and retention

Constructed from premium goatskin leather for exceptional durability and flexibility

reducing pressure points and enhancing comfort over extended periods

5 provides exceptional sensitivity and support for dynamic moves

Interloc Racing Design QB55 Cartridge Bottom Brackets – High-Quality JIS Square Taper, Sealed Bearings, Steel Cups, Various Spindle Sizes for Road & MTB Spindle Length:103mm Designed with Vittoria's proven TNTUpgrade your bicycle with the Interloc Racing Design QB55 Cartridge Bottom Bracket collectiondesigned for premium performance, durability, and precise engineering. Crafted in Japan, these high quality sealed cartridge bearings feature rugged steel cups and a traditional square JIS 2 degree taper interface, ensuring a secure, reliable fit for your crankset. Available in a variety of spindle lengths (68mm, 103mm, 107mm, 110mm, 113mm, 115mm, 118mm,