Compare bikes: Compare Btwin Ultra 720 CF Road Bike (2017) vs. Specialized Ruby Ruby Elite (2017) - Findabike
Prices
Retail price
£ 2,000
£ 1,900
Specifications
Drivetrain
Chain
KMC X11, 11-speed
Crank
Shimano Ultegra 6800 for the optimal balance between low weight and rigidity. SG-X hyperdrive chain ring, HollowGlide outer chain ring: lightweight, rigid and durable.
Weight: 764 g in 170 mm.
Shimano ULTEGRA 6800 11/28 11-speed cassette (11/12/13/14/15/17/19/21/23/25/28)
Praxis Alba
Derailleurs
Front: Shimano 105, braze-on - Rear: Shimano 105, long cage, 11-speed
Shifters
Shimano 105 STI, 11-speed
Cassette
Shimano 105, 11-speed, 11-32t
Frameset
Fork
B'Twin Ultra Evo Dynamic fork, exclusive to the B'Twin Ultra Evo Dynamic frame.
Weight: 320 g.
Carbon fork.
Ruby disc, FACT 11r carbon, 12x100mm thru-axle
Frame
B'Twin Ultra Evo Dynamic carbon fibre frame is the most advanced frame available to tackle mountains and win the most demanding classic races.
A blend of HM and IM carbon fibres offers the best weight to speed ratio on the market (850 g without accessories in size M).
The frame was specially designed for the most demanding climbers and sprinters. The bottom bracket is a standard PressFit 86 for greater stiffness of the chassis.
FACT 10r carbon, Women's Endurance Geometry, Rider-First Engineered™, 12x142mm thru-axle, Future Shock suspension, 20mm of travel
3D-forged alloy, 7-degree rise
Wheels
Tyres
Yksion Pro GripLink tyre at the front and Yksion Pro PowerLink at the rear: maximum traction at strategic points.
Dual-density "S+" structure with a 60a "S+" compound that has more traction at the shoulders.
Low rolling resistance.
Dual compound "S+" with 60a compound on the centre, slick profile.
High puncture and cut resistance.
High puncture resistance: nylon Durable carcass: 127 TPI nylon.
Weight: 215 g (700x23c).
Front: Turbo Pro, 700x26mm, 60TPI, folding bead, BlackBelt protection - Rear: Turbo Pro, 700x26mm, 60TPI, folding bead, BlackBelt protection
Wheels
The Ksyrium Elite S was made for sport cyclists: it offers a high level of performance at all stages of a race.
Weight without tyres: 1520 g.
Technically tried and tested, it has a low inertia when accelerating.
The steel spokes and the Isopulse spoke lacing offer a stable, reliable wheel.
New double-butted, steel spokes.
Robust Maxtal alloy rim for optimal resistance to braking. High-quality, adjustable bearings: QR.
Front: Axis Elite Disc, thru-axle, tubeless compatible - Rear: Axis Elite Disc, thru-axle, tubeless compatible
Brakes
Brakes
Front calliper: Shimano Ultegra 6810 Direct Mount, 2 symmetrical axles for more efficient braking control and greater braking power. Adjustable spring tension.
Rear calliper: Shimano Ultegra 6810 (classic mounting on seat stay).
Front: Tektro Spyre, dual pivot, mechanical disc - Rear: Tektro Spyre, dual pivot, mechanical disc
Components
Handlebar
Compact Deda Zero 2 handlebar in 6061-T6 aluminium, scaled to the size of the bike.
The compact shape is becoming increasingly common in the peleton, as it allows you to ride with a lowered hand position without being uncomfortable.
The handlebar weighs 320 g in size 420 mm.
Deda Zero 2 6061-T6 aluminium stem, scaled to the size of the bike. and weighs 140 g in size 110 mm.
The steering features long-life, sealed bearings.
Specialized Hover Comp Alloy, 15mm rise, 125mm drop, 75mm reach
Saddle
Fizik Antares R7 P Special Edition.
Wing Flex construction.
Nylon/reinforced carbon shell.
Manganese rails.
Microtex cover.
Weight: 210 g.
Dimensions: 275 x 142 mm.
Lithia Expert Gel, hollow titanium rails, 155mm
Seatpost
Specialized CG-R, FACT carbon, single bolt, 27.2mm
Stem
3D-forged alloy, 7-degree rise
Pedals
Pedals not included.