- Quality First Brand Steel Bottom Bracket with Sealed Cartridge Bearings made in Taiwan.
- 68mm Shell x 103mm, 107mm, 110.5mm, 116mm, 119mm, 124.5mm
- CNC Solid JIS Spindle, Cups Steel, English Thread 1.37" x 24TPI
- Requires standard Shimano pattern 20T Splined Drive Tool.
- Note: Moving up one size will move your crank out by half the difference.
- EG: 107mm BB will move the crank out 2mm further than a 103mm BB.
- Weight: 103mm Version 298 Grams, made in Taiwan.
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