Ridley X-Fire/Shimano 105 Disc Complete Bike Black/Blue 56cm

Ridley X-Fire/Shimano 105 Disc Complete Bike Black/Blue 56cm So besides a $300 price difference the question begs to be asked how do the Quarq Riken BB30 and Elsa actually differ? Surprisingly the answer is not much -- that is if you're not a habitual gram counter. - In fact the overall functionality of the two systems are nearly identical only differing in the Riken's absence of the new Power Balance feature. - However where the two most noticeably part ways is at the crankarms themselves. - Where the Elsa utilizes the newest SRAM Exogram Hollow carbon arms the Riken relies on a more standardized RED pair of arms. - Ultimately though this only amounts to around an 88 gram differential So let's focus on the Riken. - For Quarq's 'next wave of powermeters' we see a complete redesign over the Cinqo with an emphasis placed on three key issues -- weight accuracy and ease of use. - And starting with weight the Riken features SRAM's carbon crankarms found on the last iteration of SRAM RED. - You'll also find SRAM's RED Powerglide chainrings from one model back. - But as the name implies the cranks feature a hollow construction. - However what isn't inferred is that the hollow cross-section design extends all the way to the new spider creating SRAM's stiffest and lightest crank ever. - In fact the complete system tips the scales around 823 grams in a GXP format leading us to believe that this BB30 iteration weighs even less. - For some perspective the newest RED crankset weighs around 585 grams and the last Quarq RED Exogram powermeter weighed 830 grams. - So the Riken is sitting in a rather respectable position. - Riken's innovation didn't stop at the crankarms. - For a rigid crankarm attachment the Riken uses a newly designed CNC-machined aluminum spider. - Now all of the data-collecting electronics and the system's battery is housed in the spider. - Quarq is calling this OmniCal but you can call it liberating. - OmniCal enables the powermeter system to collect data independent of the chainrings. - So you can swap out rings for wi. -. -. -Bike>Bike Parts>Cranksets/Chainrings>Road Bike Cranksets & Chainrings1645 More Details click ******************************************************