Ultimate G2 FI

Name: Ultimate G2 FI
Brand: Litespeed Bicycles
Price: 6445.0 USD
Availability: InStock
Rating: 5 (10 reviews)

5 ( 10 )

The benchmark for gravel performance with the ultimate blend of low weight, efficiency, comfort, and capability to handle any gravel adventure.

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Note any additional requests here

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YOUR BUILD HIGHLIGHTS

METICULOUSLY SHAPED 3AL/2.5V TITANIUM FRAME

With performance-focused titanium manipulation capabilities unique to Litespeed, the G2 showcases our unique in-house tube manipulation technologies on a level not seen in the industry. The result is a ride experience that rivals that of any titanium gravel bike out there.

FULLY INTEGRATED

The Ultimate G2 Fi delivers more top-tier performance than ever. It's all finished with our premium fully- Integrated option; a handlebar, stem, fork, and bottom bracket system that allows for internal cable and wire routing. With no external housing, your Ultimate G2 FI becomes the cleanest rig on the start line.

A VISUAL SIGNATURE: INTERLOCK DROPPED SEATSTAYS

By vertically dropping and widening the stays—and extending them past the seat tube to the top tube—the Ultimate G2 has two independent stiffness-enhancing weld points, resulting in an infinitely more responsive rear triangle, with stiffer out-of-saddle acceleration.

EXPLORE THE DETAILS

The Ultimate G2 represents the performance benchmark for titanium gravel bikes, with the toughness, weight, geometry, handling, and tire clearance necessary to race, explore, and do everything in between.

Frame & Fork Specs

Frame

Frame Material	Superform SL 3AL/2.5V Titanium Tubeset
Frame Weight	1,350g (Size M)
BB Standard	PF30 (T47 Optional Upgrade)
Seatpost Diameter	31.6mm
Derailleur Hanger	UDH
Front Derailleur Mount	34.9mm Clamp-on
Cable Routing	Fully-Integrated

Axle Specs

Front Spacing	12x100mm
Front Axle Spec	M12 x 1.5, 120-125mm
Rear Spacing	12x142mm
Rear Axle Spec	M12 x 1.0, 164-167mm

Drivetrain

Max Chainring Size (1x)	46t
Max Chainring Size (2x)	48/31t

Brakes

Rotor Max Size (Front)	180mm*
Rotor Max Size (Rear)	160mm

Fork

Fork Offset	50mm
Rigid Fork Length	420mm

Tire Clearance

1x	50mm**
2x	50mm**

Mounts

Downtube Water Bottle Bolts	2
Seattube Water Bottle Bolts	2
Toptube Bag Mount	Optional Upgrade
Downtube Accessory Mount	Yes
Rack Mount	Optional Upgrade

* Spec may vary with choice of front suspension.

** Spec may vary based on choice of front derailleur.

Select a build kit:

Groupset	Shimano GRX 810 2X 11 Spd
Headset	Select Option in Builder
Handlebar	FSA Adventure Compact Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA Gossamer Alloy 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	GRX RX810 11Spd
Rotors	Shimano RT70 160mm
Front Derailleur	GRX RX810 11 Spd
Rear Derailleur	GRX RX810 11Spd
Crankset	GRX RX600 46/30
Cassette	Ultegra HG800 11-34 11 Spd
Chain	Shimano LG500 11Spd
Bottom Bracket	Praxis Pressfit upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	GRX RX810
Fork	Select Option in Builder

Groupset	Shimano GRX 820 1X 12 Spd
Headset	Select Option in Builder
Handlebar	FSA A-Wing AGX Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	GRX RX820 12 Spd
Rotors	Shimano CL800 160mm
Front Derailleur	N/A
Rear Derailleur	GRX RX822 12 Spd
Crankset	GRX RX820 40T
Cassette	XT M8100 10-51 12 Spd
Chain	Shimano M8100 12 Spd
Bottom Bracket	Praxis Pressfit upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	GRX RX820
Fork	Select Option in Builder

Groupset	Shimano GRX 820 2X 12 Spd
Headset	Select Option in Builder
Handlebar	FSA A-Wing AGX Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	GRX RX820 12 Spd
Rotors	Shimano CL800 160mm
Front Derailleur	GRX RX820 12 Spd
Rear Derailleur	GRX RX820 12 Spd
Crankset	GRX RX820 48/31
Cassette	Ultegra R8100 11-34 12 Spd
Chain	Shimano M8100 12 Spd
Bottom Bracket	Praxis Pressfit upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	GRX RX820
Fork	Select Option in Builder

Groupset	Shimano GRX 825 Di2 2x 12 Spd
Headset	Select Option in Builder
Handlebar	FSA A-Wing AGX Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	GRX RX825 Di2 12 Spd
Rotors	Shimano CL800 160mm
Front Derailleur	GRX RX825 Di2 12 Spd
Rear Derailleur	GRX RX825 Di2
Crankset	GRX RX820 48/31
Cassette	Ultegra R8100 11-34 12 Spd
Chain	Shimano M8100 12 Spd
Bottom Bracket	Praxis Pressfit upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	GRX RX820
Fork	Select Option in Builder

Groupset	Shimano GRX 827 Di2 1x 12 Spd
Headset	Select Option in Builder
Handlebar	Select Option in Builder
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	GRX RX825 Di2 12 Spd
Rotors	Shimano CL800 160mm
Front Derailleur	N/A
Rear Derailleur	GRX RX827 Di2 12 Spd
Crankset	GRX RX820 40T
Cassette	Shimano XT M8200 10-51 12 spd
Chain	Shimano M8100 12 spd
Bottom Bracket	Praxis T47 I.B.
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	GRX RX820 Hydraulic
Fork	Select in Builder

Groupset	SRAM Rival XPLR AXS E1 13 Spd
Headset	Select Option in Builder
Handlebar	FSA Adventure Compact Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA Gossamer Alloy 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	SRAM Rival AXS E1 13 Spd
Rotors	SRAM Paceline 160mm
Front Derailleur	N/A
Rear Derailleur	SRAM Rival XPLR AXS E1 13Spd
Crankset	SRAM Rival XPLR AXS E1 40T
Cassette	SRAM Rival XPLR XG1351 10-46 13 Spd
Chain	SRAM Rival Flattop
Bottom Bracket	SRAM Pressfit Upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	SRAM Rival
Fork	Select Option in Builder

Groupset	SRAM Force XPLR AXS E1 13 Spd
Headset	Select Option in Builder
Handlebar	FSA A-Wing AGX Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	SRAM Force AXS E1 13 Spd
Rotors	SRAM Paceline 160mm
Front Derailleur	N/A
Rear Derailleur	SRAM Force XPLR AXS E1 13Spd
Crankset	SRAM Force XPLR AXS E1 42T Power Meter
Cassette	SRAM Force XPLR XG1371 10-46 13 Spd
Chain	SRAM Force Flattop
Bottom Bracket	SRAM Pressfit Upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	SRAM Force
Fork	Select Option in Builder

Groupset	SRAM RED XPLR AXS E1 13 Spd
Headset	Select Option in Builder
Handlebar	FSA A-Wing AGX Alloy
Bar Tape	Lizard Skin DSP
Seatpost	FSA SLK Carbon 20mm Offset or Upgrade to Litespeed Titanium
Saddle	Select Option in Builder
Shifters	SRAM RED AXS E1 13 Spd
Rotors	SRAM Paceline 160mm
Front Derailleur	N/A
Rear Derailleur	SRAM RED XPLR AXS E1 13Spd
Crankset	SRAM RED XPLR AXS E1 42T Power Meter
Cassette	SRAM RED XPLR XG1391 10-46 13 Spd
Chain	SRAM RED Flattop
Bottom Bracket	SRAM Pressfit Upgradable to T47
Tires	Select Option in Builder
Wheelset	Select Option in Builder
Brakeset	SRAM RED
Fork	Select Option in Builder


Size	XS	S	M	M/L	L	XL
A - Stack	55.3	55.7	56	58.5	61.5	64
B - Reach	36.4	37.3	39	39.5	40.5	41.5
C - Standover Height (cm)	71.7	72.7	75.7	79	81.3	84.5
D - Top Tube Length (cm) virtual horizontal	51.7	53.2	55.5	56.8	59	61
E - Seat Tube Angle	74.5°	74.0°	73.5°	73.5°	73.0°	73.0°
F - Seat Tube Length (cm)	43	44.5	47	49.5	52	55
G - Head Tube Angle	70.0°	71.0°	71.5°	71.5°	72.0°	72.0°
H - Head Tube Length (cm)	9.2	9.2	9.7	12.4	14.9	18.6
I - BB Drop (cm)	7.8	7.8	7.4	7.1	6.8	6.8
J - Front Center (cm)	59.6	59.6	61	62.3	63.6	65.7
K - Chainstay Length (cm)	42.5	42.5	42.5	42.5	42.5	42.5
L - Wheelbase (cm)	100.8	100.9	102.4	103.7	105.1	107.3
M - Fork Offset (cm)	5	5	5	5	5	5
N - Trail (cm w/ 45mm tire)	7.8	7.1	6.8	6.8	6.4	6.4

XS

147cm 58 - 157cm 62

S

157cm 62 - 165cm 66

M

165cm 66 - 175cm 69

ML

173cm 68 - 180cm 71

L

178cm 71 - 188cm 74

XL

188cm 74 - 198cm 76

All Litespeed gravel bikes come from the factory with tires set up tubeless with Stan's NoTubes sealant.

If you would like innertubes, you can make a note in the "component request field" on your order, and we will be happy to accommodate.

Fork choice will depend on your riding preferences and terrain.

A gravel suspension fork will add comfort and confidence on rough terrain, but it will weigh more than a rigid carbon fork, and it may feel less efficient (due to flex, weight, or pedal bob) on smooth terrain.

A rigid fork is lighter, and it also provides a bit more tire clearance and mounting options for extra gear and bags, but it will transmit more shock from impacts and vibration from rough roads.

For more information on gravel suspension forks, read our detailed thoughts on gravel suspension here.

The Ultimate G2 is a gravel bike designed for tackling gravel terrain at high speeds. It is ideal for gravel riders who want a light and fast titanium gravel bike for a mix of racing, exploring, and general gravel riding.

The Toscano has similar geometry and handling, but its titanium tubeset is lighter and stiffer to suit more race-focused gravel riding. The Flint has a more relaxed, adventure-oriented geometry, more tire clearance, and a different tubeset, which makes it slightly heavier but provides more robustness and affordability.

1x maximum chainring size is 46t. 2x maximum chainring size is 48/31t.

The Ultimate G2 has clearance to fit gravel tires up to 700c x 50mm wide with both 1x and 2x drivetrains.

Every Litespeed titanium frame is hand-built in the USA, in our factory in Chattanooga, Tennessee, by master framebuilders using premium, globally sourced materials.

The average lead time is 3-4 weeks. This is because every Litespeed titanium frame and complete bike is built to order. You will receive email updates informing you when we begin building and assembling your bike, and when it is shipped from our factory.

The Ultimate G2 is built with Litespeed's Superform SL tubeset. Superform SL is a superlight titanium tubeset that sets the benchmark for advanced titanium bicycle tubes. Superform SL is an aerospace-grade 3AL/2.5V titanium tubeset that is custom-formed and hand-crafted in-house, allowing us to employ multi-dimensional shaping and variable wall-thickness to minimize weight and maximize performance.

The maximum recommended load of 3 kg (6.6 lbs) per leg when attaching items to the accessory mounts on the Litespeed Rigid Carbon Gravel Fork with Accessory Mounts.