Touring Mountain Bike Expl 50 Exercise Bottoms Which mattress should I use

Which mattress should I use this sleeping bag with

Sole is grooved to hold better in the stirrup

cushioning and traction on easy terrain as well as on roads

Bike safety

For your information: - Less than 260 g: lightweight rackets

Touring Mountain Bike Expl 50 Exercise Bottoms Which mattress should I useThis 27. 5" mountain bike is designed for getting started with MTB touring in dry weather, for rides up to 1. 5 hours. In a nutshell Weight: 15. 5 kg in size M (without pedals) Frame material: Aluminium Type: Hardtail Wheel size: 27. 5" Fork travel: 80 mm Drive train: 3X7 Brakes: V brake with pads Seat post: Fixed Lifetime warranty on frame 2 years for parts Weight S: 15. 4 kg M: 15,5 kg L: 15. 6 kg XL: 15. 8 kg MIXED FRAMEWORK With a very marked top