DESCRIPTION
Option:
1, 68×113mm
2, 68×118mm
3, 68×121mm
4, 68×126mm
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Model: BB-ES25 /ES300
(BB-ES25 or BB-ES300, same performance and specification）
Size: 68×113mm / 68×118mm / 68×121mm / 68×126mm
Type: Octalink
Shell width: 68mm
Shell thread: BC1.37" x 24T
Come with 2 bolts(M15)
Sealed cartridge keeps out dirt and water
Easy installation
Durable spline reinforced construction
8-splined OCTALINK interface increases the strength and rigidity of the entire assembly
Good chain line control with chain stabilizer
Note: different batch may come from differnent original country
