Kalloy model HB-RB11. 680mm width with approx 195mm grip length area for levers, shifters etc. Just 5 degree back to rider. 31.8mm oversized centre.
Kalloy Competition SL Riser Bars - 680mm Wide - 20mm Rise - Black - HB-RB11
4 Pack Bicycle Computer Mount Spacers Handlebar Washer Rings 254mm to 318mm Plastic Adapter for Garmin for BLACKBIRD Xingzhe Cycling Accessory
GANCEI Anodized Aluminum Bicycle Headset Spacer 10mm 318mm Stem Riser for Handlebar Fit Tuning on Threaded and Threadless Forks Multicolor
GANCEI Rust-Proof Aluminum Front Derailleur Clamp 318mm 349mm Adapter Clip Converts Direct Mount to Braze-On for Road MTB Cycling Parts Black(34.9mm)
Alloy Riser Spacer Rest Bar For TT Handlebar Round Tube 318mm Height Extension Booster Pad Cycling Time Trial Bike Accessory(10MM)
TONIXY Alloy for TT Handlebar Riser Spacer 318mm for Time Trial Bike Rest Bar Booster Pad Black 10/20mm Height Adjustment for Racing Training(10MM)