With the new 105

High-efficiency drivetrain for aggressive trail riding

which improves durability and shifting performance

Supports up to a 4-bike rack (100 lbs

Inexpensive 5-speed freewheel-cassette with zinc plated sprockets and Fluid Drive technology

Shimano DEORE XT English HOLLOWTECH-II 104.5/107mm Bottom Bracket wahoopromo With the new 105For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings and is offered in threaded and pressfit options. Ride anywhere 11 speed rider tuned gearing The power to choose how and where you ride Various choices for bike and riding style Consistent shifting performance and enhanced chain management More durable chainwheel teeth Composite chain ring construction: Steel teeth Steel+CFRP body (1x11, 3x11 Middle)