Sitting snugly underneath your saddle, they keep the worst of the water off and unlike most mudguards, are rattle free! You won't even notice it's there until you get home and realise it has totally saved your bottom from getting wet...
Castelli Ass Saver
Price: £9.99, available from Castelli.
Tokyo Fixed Ass Savers
Price: £6.99, available from Kinoko Store.
Price: £7.00, available from All That I Want.
Selle San Marco Ass Saver
Price: £6.00, available from Pedal Pedal.
Pure Fix Ass Saver
Price: £9.00, available from Pure Fix Cycles.
PC SmartAss V3
Impressive 3D Printed Bicycle Accessories
Price: £5.00, available from Pedal Consumption Store.