Install front wheel does not involve with any bolts of nuts, just put front wheel on, and then use quick release stick to lock it. That is, please donot try to remove any bolts of nuts. The flying mountain bikes with 21 speeds contains the following features. Strong aluminium alloy frame, frame size 17? (46cm) = M, suitable for height 1,65 m – 1,80 m. Freewheel: Shimano FW-7I and Shimano 14T-28T. Front Derailleur: Shimano FD-TZ50. Rear Derailleur: Shimano RD-TY50. Double wall alloy wide rim wheel. Non-slip with grips pedals. Zoom front 80mmm travel suspension fork. Prowheel pedal arm, very good quality. A/V good look tyre (not fat tyre). Mudguards included as gift. Very good quality bike. As well as a general check over of all fixings on pre assembled parts(wheels, crank, chain, etc). The brakes will require some adjustment on set up and once they have settled in. If for any reason you do not have the proper tools or are not confident to build a bike yourself, we strongly suggest that you take your bike to a local bike shop for assistance, and is likely to incur cost to the purchaser. Sorry we donot deliver to Chanel Islands.