The Topstone 1 sits atop of the range of alloy bikes and comes equipped with a 12-speed Shimano GRX 820/600 groupset. This is a robust groupset designed for the rigours of off-road riding. The Shimano GRX 600/400 hydraulic disc brakes pack plenty of power and perform no matter the conditions. 37c WTB Riddler TCS tyres offer a great balance of grip and low rolling resistance, so they won't hold you back on the tarmac but they still hook up on rough corners. These are mounted on WTB ST i23 rims laced to dependable, sealed cartridge-bearing Formula hubs. Touch points are well thought out too, with a Fizik saddle and comfortable flared drop bars. With clearance for tyres up to 45mm, push your own limits from the road to gravel trails whilst maintaining grip and comfort as you ride. 

This spec choice gives top-end performance with crisp shifting, powerful braking and low weight. Combine this with the excellent alloy frame, you dodge the carbon price tag for an excellent value bike. The Topstone 1 can be a commuting workhorse, a winter training bike, or a gravel adventure machine. However you use your Topstone, it's guaranteed to deliver fun and excitement all the way from the start of your ride to the finish.

Features: 

• Lightweight SmartFoam C2 Alloy frame with a full carbon fork
• Exceptionally precise and refined shifting from Shimano's upper-tier mechanical GRX 820/600 2x12 speed gravel group
• Superb power and modulation from Shimano's GRX 600/400 hydraulic disc brakes
• Rugged, reliable WTB ST i23 TCS tubeless ready rims with Riddler 700x37c tyres
• Long distance comfort from Fizik's Aliante Delta saddle
• Clearance for big 45mm tyres to push onto rougher terrains and enjoy more grip and comfort
• Easy mounting point for fenders
• OutFront Steering Geometry: extra long fork offset paired with a slack head tube angle keeps the steering light and lively yet delivers confidence at speed or over rough terrains
• Full carbon fork is light, comfortable and precise
• Dropper ready: built to accept an internally-routed 27.2 dropper seatpost

Notice: 

• Please not that, based on component availability and other factors, specifications are subject to change without notice