Schwalbe big apple plus tyre greenguardschwalbes big apple tyre set the benchmark for tyre tread over a decade ago with a desire to produce a comfortable durable and puncture resistant tyre nothing less would do and thus the big apple was born perfectly suited to the commuting or touring cyclist this big apple tyre features natural built in suspension you can cruise over nasty terrain and should be run wreckers with the support of schwalbes greenguard which offers superb puncture pr