I think Orbea’s idea of fitting a riser bar as standard to achieve a more endurance-flavoured riding position is a smart one. And though the bikes come with different size tyres – 28mm for the OMR-framed Orca, 25mm for the OMX – the resulting trail figures are within a millimetre of each other, 59mm for the Orca, 58mm for the OMX. The OMX and OMR framesets also share the same 43mm offest fork design. ![]() This combines with the OMR’s shorter reach – 395mm compared with 398mm – to deliver a slightly shorter, marginally more upright riding position, though the differences aren’t that extreme.īut we’re not talking sit-up-and beg here, especially as the OMR-framed Orca M20 shares the same steep parallel 73.2-degree head and seat tube angles as the OMX. My 57cm test model’s 597mm stack compares with the OMX’s 597mm figure. There are a few subtle differences between the OMR’s sportive-friendly geometry and the more aggressive geometry of Orbea’s OMX chassis. This makes changing a wheel quick and clean, and reduces the chances of contaminating the axle’s grease when you’re repairing a road-side puncture. Speed Release uses a 12mm axle that screws into the dropout like a standard thru-axle but the lever side has a slotted dropout, allowing you to release and do up the axle in five turns rather than the usual 10.Ī rubber ring stops the thru-axle sliding out completely so that you never need to remove the thru-axle entirely to switch wheels. Orbea has also adopted the Mavic-developed Speed Release system for the Orca’s dropouts. Orbea puts the bolt through the side of the frame at the junction of the seat tube and top tube junction – it’s neat, simple, torque wrench-friendly and makes it easy to adjust saddle height. Yes, it’s effective, but the resulting bolt angle can be difficult to reach with a torque wrench. ![]() Many of Orbea’s rivals use a wedge-style seat clamp in the top tube for a clean look and improved aerodynamics. ![]() The frame and fork come with some well-considered details that make the Orca easy to live with. But while it’s not slammed like a full-on race machine, the Orca’s riding position isn’t so relaxed that you’re in slow-motion cruiser mode.Īnd though the Orca comes with 28mm tyres as standard, there’s room for 35mm rubber if you want further comfort and greater all-road capability the racier OMX will only take up to 32mm tyres. The Orbea Orca M20’s OMR frame and fork offer compliance over poor road surfaces and a riding position that’s more relaxed than a race bike’s – even more so with the Orca’s riser bar. David Caudery / Immediate Media Orbea Orca M20 frameset
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