Thun Efficient Jive Thompson press-fit bearing Ø40mm

Bottom bracket for old frames with a 40 mm bottom bracket diameter. Also suitable for old Mifa folding bikes.

Shaft made of specially hardened material (ML treatment) in standard ISO 4210-8:2014 EN14766 (MTB standard), double rubber-sealed industrial ball bearings, galvanized steel sleeve to protect the bottom bracket with a recess for internally routed cables.

• ISO 4210-8:2014
• universally usable for all square taper cranks (ISO 6695:2015)
• durable, maintenance-free, and highly weather and corrosion resistant
• Optimal rotation quality through double-sealed deep groove ball bearings
• Thompson for pressing in
• Delivery includes 2 crank bolts (for Torx and 14 mm wrench)
• Installation note: Bolt tightening torque: 45 Nm