- High quality, 7075 T6 aluminium alloy, replacement axle bolt washers. - Ideal for replacing any washers that have been damaged during riding. - Knurled surface helps to prevent the wheel from moving in the dropout. - Available in anodised black only with stylish Trialtech 'Bashring' laser etched logo. - Sold as a pair. - 20mm head diameter. - Weight: 9.5g (per pair).