M-Wave Unisex Adult PD-R4-S E-Bike Chain Ring for 1/2 x 3/32 & 11/128 Inch Chains for Brose, Bosch, Shimano, Bolt Circle 104 mm, Black, 20 x 20 x 1 cm : Amazon.co.uk:
3/32” vs. 1/8” drivetrain for single speed or fixed riding. Is one
1x11 install, chain sits on chainring teeth during rotation : r/bikewrench
gears - Why doesnt my chain fit on my cog? - Bicycles Stack Exchange