Shimano Tiagra FC4550 9s Compact Hollowtech Chainset
The 9-speed Shimano Tiagra 4500 Chainset uses an integrated bottom bracket for increased rigidity and lightweight design. Compatible with all 9-speed groups. Super smooth shifting performance thanks to Shimano HYPERDRIVE technology. No need for another front derailleur or shifter, just mount the crankset, adapt the chain length and you are ready to go! Bottom Bracket not included.