19mm Ø ID (Internal Diameter) resting bearing surface
Mid bottom bracket kit includes:
• 2x R12-2RS bearings 19mm Ø ID 41mm Ø OD (Over All Diameter) 11mm Width
• 1x Bearing spacer 19mm Ø ID 23mm Ø OD 48mm Width
• 1x Top Hat Spacer ID Ø19mm Shoulder Ø15/16” OD Ø 28mm 7mm Width
• 1x Drive Side Face Bearing Spacer ID Ø19mm Shoulder Ø30mm OD Ø 40.5mm 5mm Width
• 1x Non Drive Side Face Bearing Spacer ID Ø19mm Shoulder Ø30mm OD Ø 40.5mm 13mm
Width
• 2x Crank Arm Spacer ID Ø19mm OD Ø 26mm 3mm Width
• 2x Crank Arm Spacer ID Ø19mm OD Ø 26mm 1.5mm Width
• 2x Crank Arm Spacer ID Ø19mm OD Ø 26mm 0.5mm Width