Shimano 105 BB5500 Octalink bottom bracket

The Shimano BB5500 for triple road bike cranksets. Compatible with Shimano road bike cranksets featuring the Octalink mount

The ITA bottom bracket shells have a width of 70 mm, a 1.417" x 1.06 mm thread and an outer diameter of 36 mm, into which the bearing cups are screwed. Both bearing cups have a right-hand thread

Shimano 105 Octalink BB5500 specifications:

• Oversize bottom bracket axle, 22 mm, steel
• Octalink, 8-tooth spline, for road bike cranksets only
• Sealed ball bearings
• Installation without adjustment
• Weight: 240 grams
• Italian thread, 70 mm installation width
• ITA, 36 mm x 24 tpi / 1.417" x 1.06 mm
• Recommended tool: TL-UN74-S

Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com