Visit us at EUROBIKE 2025 in Frankfurt!

From June 25 to 29, you will find us at the leading bike trade fair in Hall 12.0, Stand A22a. Discover our products and talk directly to our team. We look forward to your visit!

Bottom Bracket ZUMBA GBL BSA

Article number: 30000100-AM
Manufacturer number: 16405506

€19.00

Beltline
Product information "Bottom Bracket ZUMBA GBL BSA"
Thun ZUMBA
  • Certified as per ISO 4210-8 MTB and suitable for city, trekking, mountain and cargo bikes
  • Universally suitable for all square tapered cranksets (ISO 6695)
  • Durable, maintenance-free, weatherproof and highly resistant to corrosion
  • Premium rotation quality through double-sealed ball bearings
  • The only bottom bracket that is manufactured in Europe

Add on ZUMBA
  • Sleeve allows cable to pass by easily
  • Engineered to perfectly match Gates Belt Drive
  • The correct belt line is only achieved in combination with Gates S150 and Gates S250 cranks
  • Zumba GBL 440 - 43,7 mm Beltline
  • Zumba GBL 460 - 45,5 mm Beltline
  • Zumba GBL 550 - 54,7 mm Beltline

Bolt
M8X1, 10.9, round-head (outside), ALLEN (inside - ALLEN® KEY), ZN/FE-coated (silver), thread-lock, composite cover ring

Recommended assembly torques cups: 25-30 Nm
Recommended assembly torques bolts: 42-45 Nm

This product may only be assembled with cranksets/crank arms featuring squares that are aligned as per ISO 6695:2015 and JIS D 9415:2019.
Specifications
Article Group Spareparts, Accessories
Intended use City, MTB, Trekking / Gravel
System Ersatzteile
Interface 4-Kant JIS / 68 mm BSA
Beltline 54,7mm
Material plastic, Steel
Color silver-black