The Insight Square Tapered Euro Bottom Bracket at J&R Bicycles is a cartridge bottom bracket with JIS style spindle made from strong chromoly alloy. Featuring forged alloy cups, and an oversized sealed bearing that will keep things spinning nice and smooth. Spindle bolts are 8x1mm.
Features:
- JIS tapered chromoly spindle
- 8x1mm spindle bolts
- Weights: 113 mm : 327 g / 11.53 oz
- 118mm : 334 g / 11.78 oz








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