MAVIC M10 Freehub Spacer 09 would be the best fit for bike wheels that need a modest spacer adjustment.
Briny River 2PCS 2mm Freehub Spacer Black Compatible with10 Speed Cassette Compatible with 11 Speed Freehub Bicycle
1.0mm Cassette Freehub spacer, for Shimano HG Freehub
Briny River 2PCS 1.8mm Freehub Spacer Black Compatible with10 Speed Cassette 11 Speed Freehub Bicycle
Respace Your Fixed Gear Hub - Stainless M10 Axle Spacer Washer Fixie Conversion
2.5mm Cassette Freehub spacer, for Shimano SRAM
1.85mm Cassette Freehub spacer, for Shimano SRAM, 8/9/10 speed on 11 speed hub
