B-RAD Bases are the foundation for the B-RAD system, as the rest of the system accessories mount to them. These allow you to move bottles to make room for frame bags, move bottles away from suspension shocks, create space to mount additional bottles and/or bags to the same bottle mount. Repositioning uses existing bottle mounts on frame Lightweight, durable, rust-proof materials Customize storage to your specific needs with flexible B-RAD system B-RAD 2 The 2-slot base can move a bottle or other accessory up to 54mm to an optimal location even on a smaller or dual suspension frame B-RAD 2 base instructions Compatibility:- Mounting any of the bases requires the use of at least two standard threaded bottle cage mounts. B-RAD 3 and B-RAD 4 should use the auxiliary foam pad (to protect your frame) and zip tie to secure the base. Any other mounting methods are not recommended You may need a Problem Solvers Space Out Kit or similar method to clear the front derailleur clamp. Be sure to use bolts with additional length equivalent to the extra spacing added Compatible with any frame that uses standard 64mm spacing bottle cage braze-ons (basically every modern frame) Hardware included is T25 Torx head Tech Specs:- Weight: B-RAD 2 a 27g | B-RAD 3 a 41g | B-RAD 4 a 75g | Dogbone a 10g Material: 6061-T6 aluminum brackets | EVA foam pad Thickness: 6 mm Tools Needed: T25 Torx Torque: 3-4 Nm Max Load: 1700g per base