The fabric mtb short mini pump is a great partner to have with you when you are shredding your favourite trails the 29m barrel of the pump has a capacity of 104cc which is more than three times that of the fabric road pump the short pump offers quick inflation of large volume tyres where 30 to 40 psi is plenty ideal to keep at home or pack in your saddle bag or back pack ready for the trail ahead the head of the pump is compatible with presta and schrader making it a versatile trail friend