Author Rival 27.5 ASL 2021-22 vs Felt VR40W 2019

Speed	24	--
Frame	Alloy 6061 27.5" (ASL)	Felt Fit Woman Variable Road Disc FLite custom butted aluminum, hydroform smooth welded construction, BB386 bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical cable routing Shock:
Stem	AUTHOR alloy	Devox Variable Angle, ±8°/±16° rise, Ø31.8 mm, 43 cm: 70 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm
Handle Bar	AUTHOR 8° 640 / 660 mm	Devox Road Endurance, 65 mm reach, 125 mm drop, Ø31.8 mm, 43-47 cm: 380 mm, 51 cm: 400 mm, 54 - 56 cm: 420 mm
Fork	Front : RST Gila 27.5 ML, lock out (100 mm)	Felt Fit Woman Variable Road UHC Advanced carbon fiber monocoque construction, size specific Control Taper carbon fiber steerer tube, integrated crown race, crown, blades, flat mount disc standard, 12 x 100 mm thru axle
Seatpost	AUTHOR alloy (31.6)	Devox UHC Performance carbon fiber with microadjust head, Ø27.2 mm x 344 mm length
Grip	AUTHOR high density foam	--
Crankset	--	FSA Mega Exo, 50/34T, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm
Pedals	Resin	--
Chain	KMC Z8.3	KMC X-10, 10-speed
Shifters	SHIMANO TX800 (24)	Shimano RS405 10-speed, hydraulic with Felt Elite sealed derailleur cable and housing
Saddle	AUTHOR Fenix	Devox Women's Variable Road Gel
Headset	--	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap, 43 - 47 cm: IS-21, 1.125", 56 cm: No.42, 1.125 - 1.5"
Derailleur Front	SHIMANO TY700 (34.9)	Shimano Tiagra clamp-on, Ø34.9 mm
Derailleur Rear	SHIMANO TX800	Shimano Tiagra 10-speed long cage
Hub Front	QUANDO Disc 32 holes	Devox RSL3D, 12 x 100 mm thru axle, 6-bolt, 28H
Hub Rear	--	Devox RSL3D, 11-speed, 12 x 142 mm thru axle, 6-bolt, 28H
Spoke	Black Steel	2.0 mm stainless steel
Cassette	--	Shimano 10-speed, 11-34T
Bottom Bracket	VP COMP cartridge	--

Front	AUTHOR Speed Master 27.5" × 2.00"	Vittoria Zaffiro Folding, 700 x 28 c
Rear	AUTHOR Speed Master 27.5" × 2.00"	Vittoria Zaffiro Folding, 700 x 28 c
Wheel / RIM	RIMS: AUTHOR Xenon 27.5 32 holes	Devox Variable Road VR1.9, tubeless compatible 19 mm inner width, 23 mm depth

Front	TEKTRO disc mechanical (6" rotors)	Tektro MD-C550 dual piston flat mount disc, 160 mm rotor
Rear	TEKTRO disc mechanical (6" rotors)	Tektro MD-C550 dual piston flat mount disc, 160 mm rotor
Brake Lever	SHIMANO TX800	Shimano Tiagra

Front	--	--
Rear	--	--

Colors

--

Blue Velvet Black Sunrise

Length	--	--
Weight	15 kg	--

Features	--	--
Additional Details	SIZE : 14", 16", 18" HEAD PARTS: PRESTINE Integrated 1-1/8" CHAIN WHEEL : PROWHEEL 42-34-24 teeth 170 mm cranks FREEWHEEL : SHIMANO HG200-8 12-32 (8)	Bar tape : Felt VelvetGel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : FSA BB386 with 30 mm bearings and 19 mm reducers Seatpost Clamp : Felt single bolt, Ø31.8 mm Thru axle : Front: Devox leverless 12 x 100 x 123L, thread: M12 x 1.5 x 15L; Rear: Devox leverless 12 x 142 x 166L Syntace style, thread: M12 x 1.0 x 15L