Tacx cyclemotion work stand bb support the tacx cyclemotion work stand bb support is a great investment they hold your bike securely leaving both hands free to work they hold the bike in the air and can usually be adjusted in height and angle this means you can reach those awkward parts and rotate the wheels cranks and adjust gears and brakes at will most workstands have a jaw which clamps around the bike we suggest clamping at the seatpost as this is usually a thicker material than the