Model: 2021 SiD SL BRAIN. Axle Diameter/Spacing: 15 x 110mm Boost. Steerer Diameter: 1 1/8" - 1 1/2" Tapered. Rake/Offset: 44mm Hub: 15 x 110mm Boost. The item "RockShox SiD SL BRAIN 29 100mm Boost Mountain Bike Fork 44m Offset DebonAir MTB" is in sale since Thursday, September 3, 2020.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "buythemojo" and is located in Boulder, Colorado. This item can be shipped to United States, Canada, Australia, Japan, China, South Korea, Indonesia, Taiwan, South africa, Thailand, Hong Kong, Bahamas, Mexico, New Zealand, Singapore, Saudi arabia, United arab emirates, Qatar, Kuwait, Malaysia, Colombia, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guadeloupe, Jordan, Cambodia, Cayman islands, Sri lanka, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.