Specialized Allez Sprint Frame Kit

Specialized Allez Sprint frame kit - build your own aluminium superbike

The Allez Sprint from Specialized is an aluminium frame that has been optimised down to the last detail, allowing you to build a super-fast road bike. Modelled on the Tarmac SL7, it offers practically the same riding dynamics, whether in a sprint to the finish, a decisive attack or a technical descent. Using hydroforming, the bottom bracket and down tube are made from a single part, which ensures efficiency and stability. Add the highly complex head tube and you get a balance between the power at the pedals and the handlebar input, so that you can move safely at the top speed limit. The whole thing was assembled using the Smartweld welding process to perfect the aerodynamics, power transmission and handling without adding weight. The Allez Sprint is 41 seconds faster over 40 kilometres than its predecessor. To ensure that comfort is not neglected, it has adopted the lowered seat stays, FACT carbon fork and carbon seatpost of the Tarmac. The frame has an uncomplicated BSA bottom bracket and is suitable for both aero and standard setups as well as for internally routed electronic and mechanical drives. There are no limits when it comes to creating your aluminium superbike.

Specifications:

Application:

Road

Wheel Size:

28"

Size:

49 cm, 52 cm, 54 cm, 56 cm, 58 cm, 61 cm

Frame Material:

aluminium (E5)

Fork Material:

carbon

Technical Information - Frame:

Wheel Standard:

12 x 142 mm (standard)

Axle Type:

12 mm thru-axle

Seatpost (Ø):

D-shaped

Seatpost Clamp(Ø):

D-shaped

Headset:

Specialized S162500005 (49.5 x 40.5 x 6.5 mm, 45 x 45°)

Bottom Bracket Standard:

BSA

Shell Width:

68 mm

Brake Mount:

flat mount

Front Derailleur Mount:

braze-on

Cable Routing:

internal, mechanical / electrical

Bottle Cage Mounts:

2

Approved For:

Weight Limit:

125 kg (total load)

Rotor Size (max.):

160 mm

Tyre Size (max.):

32-622

Chainrings:

1x, 2x

Chainring Size (max.):

1x 52-tooth, 2x 55-tooth

Features:

• 28" frame kit for fast aluminium road bike
• geometry, aerodynamics and design of the Tarmac SL7 carbon frame
• driving dynamics at top level and optimal power transmission to the road
• 41 seconds faster over 40 km than previous models
• efficient and stable behaviour at top speeds
• one-piece construction of bottom bracket and down tube by hydroforming
• highly complex head tube with completely internal cable routing
• D'Aluisio Smartweld technology for improved driving characteristics without additional weight
• detachable front derailleur mount
• carbon fork, carbon seatpost and lowered seat stays for more comfort

Technology:

D'Aluisio Smartweld Technology (DSW)
D'Aluisio Smartweld welding technology, named after its inventor Chris D'Aluisio, is based on so-called hydroforming. Hydroforming is a process that uses hydraulic pressure to shape aluminium. A flange with seam preparation is then formed, which is then welded. This improves accessibility during welding, produces cleaner welds due to more even heat distribution and distributes the jump in stiffness over a larger area. This not only ensures smoother stiffness transitions and lower load peaks, but also contributes to material and weight savings because thinner wall thicknesses can be used. This technology makes it possible to get the best out of aluminium, and to produce frames that are nearly comparable to carbon models in terms of precision and strength, but are naturally much more affordable.

Aerodynamic Expertise from Specialized
" Aero is everything" is not an empty slogan at Specialized. Their engineers rely on decades of experience in aero design, and use a variety of state-of-the-art methods in the developing top aero racing machines. Central to this, of course, is the wind tunnel (" Win Tunnel" ) at the company's headquarters in California, which is available for round-the-clock testing. It is specially designed to meet the requirements of cyclists and typical situations in road cycling, such as team time trials or riding in a group. The development process always begins with the FreeFoil Shape Library, a collection of countless tube shapes and structures which helps engineers figure out the most interesting configurations for wind tunnel testing. But one does not always have to analyse actual objects. There is also Computational Fluid Dynamics (CFD), which uses computer simulations to experiment with aerodynamic properties. Specialized also makes use of the Data Acquisition System (DAQ), which collects data such as a rider's power, speed, riding position and wind angle of incidence during practical tests on the road or in the velodrome. In turn, conclusions can be drawn from all this information for use in bike fittings and fine tuning.

Geometry:

(based on a fork axle to crown length of 366 mm)
49 cm:

Recommended Height:

155 - 163 cm

Stack:

508 mm

Reach:

378 mm

Seat Tube Length:

470 mm

Top Tube Length:

509 mm

Head Tube Length:

105 mm

Chainstay Length:

410 mm

Wheelbase:

974 mm

Bottom Bracket Height:

266 mm

BB Drop:

74 mm

Seat Tube Angle:

75.5°

Head Tube Angle:

71.75°

Standover Height:

735 mm

Fork Offset:

47 mm

Trail:

63 mm

Seatpost length:

300 mm

52 cm:

Recommended Height:

163 - 170 cm

Stack:

520 mm

Reach:

383 mm

Seat Tube Length:

495 mm

Top Tube Length:

532 mm

Head Tube Length:

115 mm

Chainstay Length:

410 mm

Wheelbase:

976 mm

Bottom Bracket Height:

266 mm

BB Drop:

74 mm

Seat Tube Angle:

74°

Head Tube Angle:

72.5°

Standover Height:

755 mm

Fork Offset:

47 mm

Trail:

58 mm

Seatpost length:

300 mm

54 cm:

Recommended Height:

170 - 175 cm

Stack:

537 mm

Reach:

387 mm

Seat Tube Length:

510 mm

Top Tube Length:

541 mm

Head Tube Length:

133 mm

Chainstay Length:

410 mm

Wheelbase:

979 mm

Bottom Bracket Height:

268 mm

BB Drop:

72 mm

Seat Tube Angle:

74°

Head Tube Angle:

73°

Standover Height:

765 mm

Fork Offset:

44 mm

Trail:

58 mm

Seatpost length:

300 mm

56 cm:

Recommended Height:

175 - 183 cm

Stack:

558 mm

Reach:

398 mm

Seat Tube Length:

530 mm

Top Tube Length:

563 mm

Head Tube Length:

153 mm

Chainstay Length:

410 mm

Wheelbase:

992 mm

Bottom Bracket Height:

268 mm

BB Drop:

72 mm

Seat Tube Angle:

73.5°

Head Tube Angle:

73.5°

Standover Height:

795 mm

Fork Offset:

44 mm

Trail:

55 mm

Seatpost length:

300 mm

58 cm:

Recommended Height:

180 - 188 cm

Stack:

584 mm

Reach:

405 mm

Seat Tube Length:

550 mm

Top Tube Length:

578 mm

Head Tube Length:

180 mm

Chainstay Length:

410 mm

Wheelbase:

1006 mm

Bottom Bracket Height:

268 mm

BB Drop:

72 mm

Seat Tube Angle:

73.5°

Head Tube Angle:

73.5°

Standover Height:

815 mm

Fork Offset:

44 mm

Trail:

55 mm

Seatpost length:

380 mm

61 cm:

Recommended Height:

188 - 196 cm

Stack:

605 mm

Reach:

411 mm

Seat Tube Length:

570 mm

Top Tube Length:

596 mm

Head Tube Length:

200 mm

Chainstay Length:

410 mm

Wheelbase:

1013 mm

Bottom Bracket Height:

268 mm

BB Drop:

72 mm

Seat Tube Angle:

73°

Head Tube Angle:

74°

Standover Height:

835 mm

Fork Offset:

44 mm

Trail:

52 mm

Seatpost length:

380 mm

Manufacturer Numbers:

red sky-white:

70024-70

fog tint-aluminium-black pearl:

70024-71

Contents:

• 1 x Specialized Allez Sprint frame
• 1 x Specialized FACT carbon fork
• 1 x Specialized S-Works Tarmac FACT carbon seatpost, Di2, 20 mm offset