Extend MTB SR11 cranks, 170 mm, 1x10/11, 32T, OEM
Duralumin converter for bicycles 1 x 10 / 1 x 11 on a 170 mm duralumin crank and with an integrated 24mm axle (Hollowtech II compatible) to the BSA threaded center.
Material: cranks - Al 60601-T6 / converter - 5 mm dural CNC / axis - CrMo.
Chain line 49.5 mm.
Q-factor - 172 mm.
BCD = 104 mm
Weight: derailleur + right crank = 492g / left crank + bolt = 272g
OEM packaging
Groupset | Other |
Gears | 1x10 |
product ID | 318409 |

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