julio 22, 2026
Level: Claris. Bottom bracket type: Hollowtech II. 1, Crankset only. High-end 4-arm FC design. Shell thread: BC1.37" x 24T. Speed: 2×8 Speed. Type: Hollowthch II. Clean and stylish appearance.
julio 22, 2026
Level: Claris. Bottom bracket type: Hollowtech II. 1, Crankset only. High-end 4-arm FC design. (New batch model is BB-RS501). Shell thread: BC1.37" x 24T. Speed: 2×8 Speed. Type: Hollowthch II.