Do we need to explain what they're for?
It's hard to pin them down. We've used them on:
They take ROAD LEVERS, clamp in MTB STEMS and have a much shallower drop than most bars on the market, which means you can ride on the drops far more of the time, have great access to the brake levers and descend steep stuff with far more confidence than you'd ever imagine (some say they can descend rougher terrain better on these than on a regular flat bar).
Dimensions and stuff:- Geometry:- Width at the ends -- 554mm - centre/centre Width of "flat section" or "tops" - 375mm Overall drop - 112mm centre/centre Sweep forward - 64.5mm centre/centre (from centre of bar clamp to centre of tube at the front. Flare at ends - 113deg Finish - black anodised with lazer logos. ID at ends (for bar end shifter users) - 19.8mm Brake Lever clamp size on main bit of bar - 23.8 (road lever clamp standard) Stem Bar C. Material:- 6061 aluminium.
Weight 25.4mm 277gr (White finish)
Weight 31.8mm 299gr (White finish)
On-One is an independent British manufacturer of bikes and cycle components based in Yorkshire, UK.
Known originally for classic, award winning steel frames - such as the On-One Inbred, On-One Pompino fixie and On-One 456 hardcore hardtail - On-One have continually embraced modern manufacturing materials with the Carbon Whippet, Scandal and the world's first long travel carbon hardtail, the Carbon 456. On-One are also known for their excellent range of singlespeed and 29er mountain bikes, carbon and steel rigid forks.
In addition to steel, carbon and titanium mountain bike frames On-One are known for their excellent value range of mountain bike parts and finishing kit. After enjoying success with CNC stems, seatposts and cult MTB saddles they released a legendary line-up of alternative handlebars to critical acclaim. Since then On-One have expanded into custom mountain bike wheels and are developing a range of folding 26" and 29er MTB and tyres and clothing too!
On-One's aim is to offer high-spec mountain, commuter and fixie bikes direct to the consumer, cutting out the middleman and slashing prices to the absolute minimum. They've been at the cutting edge of the British mountain bike scene for years and are now branching further afield with new international websites opening across the world.

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