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Shimano Hollowtech Road Chainset Safety Notice

Updated 30/9/23

Shimano have announced a voluntary inspection program for selected bonded 11-speed HOLLOWTECH II road cranksets produced between June 1, 2012, up to and including June 30, 2019, for a possible bonding separation issue.

The affected cranks are Shimano ULTEGRA FC-6800, DURA-ACE FC-9000, ULTEGRA FC-R8000, DURA-ACE FC-R9100 and FC-R9100-P 11-Speed Bonded HOLLOWTECH II Road Cranksets produced between June 1, 2012, up to and including June 30, 2019. Identified by the following two-letter production codes: KF, KG, KH, KI, KJ, KK, KL, LA, LB, LC, LD, LE, LF, LG, LH, LI, LJ, LK, LL, MA, MB, MC, MD, ME, MF, MG, MH, MI, MJ, MK, ML, NA, NB, NC, ND, NE, NF, NG, NH, NI, NJ, NK, NL, OA, OB, OC, OD, OE, OF, OG, OH, OI, OJ, OK, OL, PA, PB, PC, PD, PE, PF, PG, PH, PI, PJ, PK, PL, QA, QB, QC, QD, QE, QF, QG, QH, QI, QJ, QK, QL, RA, RB, RC, RD, RE, and RF.

More Information On Shimano's Website

Should you find your crankset is affected by this notice please get in contact with our store to arrange an inspection. To carry out an inspection we will need your bicycle or chainset brought to our store. If this isn't convenient for yourself then you should be able to have an inspection undertaken at any Shimano Dealer regardless of where you purchased the crankset.

In the event your crankset fails the inspection, Shimano will supply a replacement.

We recommend all riders check if their cranksets are affected by this notice immediately and, if necessary, have an inspection undertaken because the bonding separation issue represents a rider safety concern.