It is 100mm and boost spacing 110x15. This is the remote lockout version and includes the remote.Details from manuracturer: WHEEL SIZE 29" TRAVEL (MM) 100mm SPRING DebonAir FORK OFFSET 44mm (29") MAXIMUM ROTOR SIZE 200mm UPPER TUBE TYPE 32mm straight wall aluminum MAX TIRE WIDTH (MM) 60 MINIMUM ROTOR SIZE 160mm DAMPER TYPE Charger 2 RL. The item "RockShox SID SL Select+ Remote Lock Out Suspension Fork 29 100mm New Takeoff" is in sale since Thursday, February 11, 2021. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "trilostrading" and is located in San Francisco, California. This item can be shipped to United States, Canada, United Kingdom, Australia, South africa, Ireland, Mexico, New Zealand, Singapore, United arab emirates, Malaysia.