Bike Parts Shimano Chainsets & Cranksets | Shimano Tourney A073 7-8 Speed Triple Chainset Black

The Shimano Tourney A073 7/8 Speed Triple Chainset Is Compatible With 3X7 And 3X8 Drivetrains And Provides Wide Range 50-39-34T Gearing.

This Triple Crankset Features A Robust Alloy Construction, Which Makes It Perfect For Stress-Free Urban Commuting From A To B. Shimano Has Also Equipped This Version With Its Renowned Hyperglide Sprockets That Incorporate Specially Positioned Shift Ramps And Tooth Profiles For Improved Chain Control During Shifting. This Results In Fast And Responsive Indexed Shifting As You Travel From The Smooth City Pavement To The Countryside.

Item Top Features Continued:

Recommended Bb Threaded (Normal): Bb-Un26
Q-Factor: 171.5Mm
Number Of Chainrings: 3
Chainring Type: Sg-X
Interchangeable With Shimano Road Front Chainring 8/7-Speed System
Tooth Count: 50/39/30T
Part Number: 170Mm: Fca073C090; 165Mm: Fca073A090

Technologies:
Dual Sis Index: The Sis Rear Index Shifting System Was Adopted At The Front. With The Index System At The Front Shifting Operation Is Easier And More Comfortable.

Hg Hyperglide: The Distinctively Designed Hyperglide Sprockets Incorporate Specially Positioned Shift Ramps And Tooth Profiles For Improved Chain Control During Shifting. Fast And Responsive Indexed Shifting Is The Result. The Hg Cassette Sprocket, Which Was Developed For The Mtb 10-Speed System, Underwent Comprehensive Optimization To Achieve Super-Highly Efficient Shifting.