Formula R1 Racing disc brake £331

Sublime stopper

BikeRadar score3.5/5

Formula’s already super-light, high control R1 brake gets the full factory Racing treatment for the ultimate in pimp appeal but at an equally outrageous cost.

Compared to the standard R1, the Racing adds a carbon lever with inset reach adjuster rather than a tool-free thumbwheel, plus a vibrant black and yellow Kevlar-reinforced braided hose to save a few grams. At 334g for the full 180mm kit it’s 20g lighter than the lightest SRAM competition and a full 50g lighter than Shimano XTR.

The impressive thing is that apart from adjustability you’re losing no performance compared to the standard R1. The carbon lever feels solid, it’s well shaped and there’s no obvious wobble. Power was enough to stop the dyno and easily enough to pull a one fingered stoppie on the trail, and modulation is excellent, with a soft, rich finger feel.

Tight pad clearance makes accurate set up crucial though, and lightweight bolts demand TLC. Given the high cost of bog-standard extras we’d be tempted just to buy the 170g/£269 brake and add suitably super-light aftermarket rotors and bolt kits.

This article was originally published in What Mountain Bike magazine.

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