Description and materials - Trialtech 2-bolt booster made from high quality Carbon fibre, one of the lightest available! - Designed with 3D-technology CAD software. - Features the same design as the successful Trialtech Carbon booster. - Lightened at the front and even more at the back, with a very low weight and nice resistance. - Wide profile to protect cross-over pipes on HS33 brakes from being hit. - Suitable for frames with 100-105mm brake mounts spacing. - 55mm vertical clearance from the top bolt hole to make sure it fits on both 20" and 26" wheels. - Supplied with titanium bolts and washers, as well as spacers, ready to fit. Dimensions - Maximum spacing between bolts: 105mm - Vertical clearance: 55mm Finishes - Carbon. - Laser etched Trialtech logo. Weight - 35g (plus bolts and spacers at 13g a set).