Shimano SG-3R40 Internal Assembly for hubs with 189.4mm length Axle CheckoutSpec= 1/2X1/2 Tooth Count 39 Ring Position/Type

Tooth Count 39 Ring Position/Type Inner Drivetrain Speeds 10 Chainring BCD 130 Color Black Defined Color Black Material Aluminum

}RockShox Reba RL Suspension Fork - 29" 100 mm 15 x 100 mm 51 mm Offset Black A8

D-Series rotors caliper adaptors and bleed kit sold separately Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Stealth Black/Gray Hydraulic Fluid Type DOT Rotor Included No

Fits Brand Trek Fits Brand Gary Fisher

Shimano SG-3R40 Internal Assembly for hubs with 189.4mm length Axle CheckoutSpec= 1/2X1/2 Tooth Count 39 Ring Position/TypeShimano Internally Geared Hub and Dynamo Small Parts.