Bike Club allows you to get your hands on high quality, lightweight bikes without the hundreds of pounds of outlay. You swap to bigger bikes as kids grow. More sustainable and cheaper than buying. I've used it for my daughter for a couple of years. Just sharing a link for 25% off your first 6 months: bike-club.mention-me.com/me/referee/registerko/192374370/771732858/er/714737b141a5bb1737a9880a7d4639afc37ec62f/fe/cw?epr=1 (and currently you can also use BF50 at check out to up the discount to 50% off!).