A directional mountain bike specific 10-speed HG-X chain means smoother shifts, lighter weight and greater overall performance.
HG-X directional chain: Outer side is optimized for front shifting and inner side is optimized for rear shifting.
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Based on the premium SHIMANO DEORE XT and DEORE LX trekking product line, the FC-T521 offers 3x10 speed gearing and uses an OCTALINK bb interface. It includes an integrated chain guard.
Based on the premium SHIMANO DEORE XT and DEORE LX trekking product line, the FC-T521 offers 3x10 speed gearing and uses an OCTALINK bb interface. It includes an integrated chain guard.
FEATURE
・10-speed Trekking crankset
・Following XT/LX trekking product concept
・Stable and smooth shifting performance
・Simple and sturdy design
・Integrated appearance of chain guard
・Rigid and lightweight by HOLLOWTECH, OCTALINK
・OCTALINK construction FC: 48-36-26T with CG/44-32-24T with CG available
・Recommended BB-ES300