forerunner 255s aspect Chain X9 1/2"x 11/128" 9s

Chain X9 1/2"x 11/128" 9s Front derailleur Shimano Altus FDM2020 Side Swing Rear derailleur Shimano Altus RDM2000 9s Shadow Design Crankset Shimano FCMT101 36x22T 170mm (Xs/S) 175mm (M/L/XL) Central movement Square 122mm Front wheel hub Shimano HBTX505 32H Centerlock QR Rear wheel hub Shimano HBTX505 32H Centerlock QR Pinion Sunrace CSM90 9s 11-36T

graphical analysis and share your routes on social media

which allows you to always ride in the best conditions

with Cob LEDs that provide maximum brightness up to 110 Lumens

*Please note that bike specifications are subject to change without notice

forerunner 255s aspect Chain X9 1/2"x 11/128" 9sForerunner 255S REACH YOUR NEXT GOAL Train effectively thanks to advanced analysis and recovery data, to keep your preparation under control and improve your PB. Track your health through sleep data, heart rate variability (HRV), and daily workout recommendations, all in one morning report screen. Charge your device less frequently with 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode. Push yourself beyond your running goals