Shimano Chainring SM-CRM66 Deore Direct 1x 12spd Trainers Superflow cutout reduces physical limitations

Superflow cutout reduces physical limitations from prolonged pressure in the perineal area

the new SHIMANO DEORE M6100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear

SHIMANO's M5100-11cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain biking

The Reserve 30|HD is designed to be put through its paces and come out unscathed

Improved electronics

Shimano Chainring SM-CRM66 Deore Direct 1x 12spd Trainers Superflow cutout reduces physical limitationsDirect Mount chainring designed for Shimano FC M6200 MT620 Cranksets DYNAMIC CHAIN ENGAGEMENT+ technology: Optimized narrow wide chainring tooth profile for better chain retention and smoother shifting Material: steel chainring for added strength Compatible Chain: HG 12 Speed Teeth: 30 or 32 Gear Speeds: 1 x 12