700x38 Black/Brown Gravel King SS Bicycle Tire Motovox MBX10 this seat assembly features a

this seat assembly features a 16-1/2" wide base that is 13-1/2" deep

Armrest pad for the Drive Image

then we have just the replacement part you may need

ANT+ compatible (pair with any ANT+ capable display)

Schwinn X-CEL

700x38 Black/Brown Gravel King SS Bicycle Tire Motovox MBX10 this seat assembly features aThe new Gravel King SS is a perfect middle ground between the Slick and SK models. Fast rolling file style tread down the center with micro knobs on each side and long rectangular knobs on the shoulders strikes a perfect balance for mixed gravel and road use. Standard belting on all Gravel King models helps to prevent punctures and flats while increasing over all durability. Panaracer: RF738 GK SS D