Maintenance Trek ABP Maintenance January 13, 2018October 17, 2018 Soban Bhatti 0 Comments Trek mountain bikes use Active Braking Pivot 23mm Trek ABP nut on a 2017 Top Fuel Using a 23 mm socket to remove the ABP nut Drive side nut removed Removing the non-drive side nut Seat stays and chain stays can now be split in two Clean any dirt and apply grease The grease will protect against water and help the washer stick for re-assembly Put the washer back Insert the non-drive side sleeve Torque to 200 in-lb (22nm or 16 ft-lb)