RAM U-Bolt Rail Handlebar Base with Composite Medium Arm and Round Base - B Series

RAP-B-101-231-OT1U RAM® Handlebar U-Bolt Composite Double Ball Mount with Round Plate The RAP-B-101-231-OT1U clamps to a handlebar or rail from 12.7mm to 31.75mm (0.5" to 1.25") with a zinc-coated U-bolt base, then runs a composite medium double socket arm up to a 63.5mm aluminium round plate with the AMPS hole pattern. It's a mix of alloy and composite: aluminium base and plate at each end, with a lighter composite arm in the middle. Prefer an aluminium arm? See the RAM-B-149Z-202U. Key Features Zinc-coated U-bolt base fits round bars and rails 12.7mm to 31.75mm (0.5" to 1.25"); the composite rail adapter narrows down to 12.7mm (0.5") Composite medium B Size double socket arm with 1" rubber balls at both ends for near-infinite adjustment 63.5mm aluminium round plate with 4-hole AMPS and 3-hole 120° patterns, connects to most RAM® cradles Rubber caps cover the exposed U-bolt ends High-strength composite and powder-coated marine-grade aluminium, backed by RAM's lifetime warranty No drilling required Works With Built from the RAM-B-231ZU zinc U-bolt rail base, the RAP-B-201U composite medium arm and the RAM-B-202U 63.5mm round base. Add the RAM cradle for your device. Need a windscreen mount with the same arm and plate? See the RAP-B-101-2241-OT1U. Dimensions & Specifications U-bolt clamping range: 12.7mm to 31.75mm (0.5" to 1.25") Arm length: 94.7mm (3.73"), socket-to-socket 76.2mm (3") Round plate diameter: 63.5mm (2.5") 4-Hole AMPS: 30mm x 38mm (1.181" x 1.496") 3-Hole 120°: 46.0mm (1.812") Ball size: B Size (1" rubber) Materials: high-strength composite, powder-coated marine-grade aluminium, zinc-coated steel U-bolt Weight: 293g (0.65 lb) Weight capacity: 907g (2 lb) standard use, 454g (1 lb) heavy-duty use Hardware Included One 1/4"-20 U-bolt for 0.5" to 1" rails and one for 1" to 1.25" rails Two 1/4"-20 nylock nuts, two rubber caps, one U-bolt spacer FAQs Composite or aluminium arm? The composite arm is lighter and carries the same 907g rating. For heavy vibration (big singles, off-road), we'd go for the aluminium-arm RAM-B-149Z-202U. Shipping: If this item shows as being in stock then it will usually ship from our Auckland warehouse in 1 business day. If it says to enquire then please get in touch as we may be able to get this back in for you.