2015 Genesis sneak preview: The Longitude

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The Latitude is already one of Genesis’ best known bikes. A very British steel hardtail built for exploring the trails.

For 2015, Genesis is set to introduce a logical stablemate – the Longitude. A bike for getting out and adventuring.  It’ll take a 29+ tyre front and rear if needed and as many racks as you can fit.

These are just photos of the first raw sample, built up to show tyre clearance with a 29 x 2.4in tyre on a 35mm rim. So not quite 29in+, but what Genesis reckons makes a great all round compromise of weight, volume and speed. A full 29x3in tyre will fit if you want to go fully big.

Here’s what the brand manager Albert Steward says of it:

“The Longitude is in some ways the spiritual successor to the Fortitude – a half-fat, bikepacking/adventure-ready, fully rigid 29er with versatility in spades! With a playful, long-n-low geometry the Longitude should be just at home zipping through the singletrack as is it fully loaded exploring mountainous backcountry. Centred around Alex Rims’ new Supra35 rims (35mm wide/600g/welded/tubeless-ready) rims and Continental’s voluminous 2.4in X-King tyres, the Longitude should hit a nice balance of increased tyre volume and unrestricted gearing options in an all-round lightweight package.”

Test run of 2.4in on 35mm rims.

 

Enough clearance for you?

“The 35mm rims work wonders for 2.4in tyres and never more so, on a fully rigid bike; they improve the overall profile, fully maximise the available volume, allow for a larger tread contact patch and let you run lower pressures (21-25 PSI) for improved comfort and grip (without the risk of pinch flats). Sure, they’ll add a bit of weight but improvements in traction, cushion and float out on the trail far outweigh (‘scuse the pun) any small weight gain. For those wishing to go the whole-hog, the frame and fork will happily accept 29+ tyres (29×3.0” on 50mm rims), but you’ll be confined to 1x/2x setups due to tyre/chain clearance.”

The fork is non-suspension corrected to give a lower front end and to allow thinner tapered blades. It also allows a fork built with a 50mm offset for good low speed handling.

Asymmetric back end. Flat plate is the key to big clearance.

 

Multi purpose dropouts

The Longitude will be offered as a complete bike, with Shimano’s made-for-29er 40/30/22T triple chainset and an 11-36T cassette. The potential for 30 gears is to allow for true on/off road touring ratios. If you run a 29er+ 3.0in tyre on a 50mm rim, it’ll fit, but you’ll be more limited in your gear options. As it is, there seems to be a huge range of gearing for little downside.

There are full outer cable runs, many many bosses and a sliding dropout to allow singlespeed or geared uses. There’ll also be a new backsweep (20° ‘Alt’ handlebar) and finally, TRP’s brand new Spyke mechanical disc brake with clever dual-piston action (no static slave pad = better pad/rotor clearance, no rubbing and easier setup) for easier middle-of-nowhere serviceability and repairs.

As Genesis says “Fully loaded and expedition-ready!”

There are other new bikes hinted at for the new Sportline show in early July, including a big-tyre drop bar adventure (dare we say ‘gravel’? No, probably not) bike.

 

 

 

 

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Chipps Chippendale

Singletrackworld's Editor At Large

With 23 years as Editor of Singletrack World Magazine, Chipps is the longest-running mountain bike magazine editor in the world. He started in the bike trade in 1990 and became a full time mountain bike journalist at the start of 1994. Over the last 30 years as a bike writer and photographer, he has seen mountain bike culture flourish, strengthen and diversify and bike technology go from rigid steel frames to fully suspended carbon fibre (and sometimes back to rigid steel as well.)

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