NEW Shimano XT FC-M8120-1 Crankset -165mm, 12-Speed, Direct Mount, 55mm Chainline, Hollowtech II Spindle Interface, Black price_changed_on_2022-11-05 Chain: Shimano SLX

Chain: Shimano SLX

Chain/Cassette/Cranks: 7

8 Stack Height Rise Reach Color Screen Steerer Clamp Diameter (in) 1-1/8"

it could fit someone 3-5 years old (2'10" to 3'8")

Speeds: 12

NEW Shimano XT FC-M8120-1 Crankset -165mm, 12-Speed, Direct Mount, 55mm Chainline, Hollowtech II Spindle Interface, Black price_changed_on_2022-11-05 Chain: Shimano SLXThe Shimano Deore XT FC M8120 crankset features modern construction using direct mount chainrings and a 178mm Q factor for 12 speed MTB drivetrains. Hollow forged crank maximizes power transfer while limiting weight Rigid and lightweight design for aggressive trail riding Shimano's Hollowtech II technology provides the best balance of stiffness, strength, weight and rotating performance. 178mm Q factor