Vision Metron TFA Aerobar Installation Instructions page 2

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Aerobar installation

1. Make certain that the diameter of the steerer tube matches the Vision Metron Snakebite Stem Steerer Clamp size 1

Make certain that the diameter of the steerer tube matches the Vision Metron Snakebite Stem Steerer Clamp size 1

Make certain that the diameter of the steerer tube matches the Vision Metron Snakebite Stem Steerer Clamp size 1-1/8" (28.6mm)

Make certain that the diameter of the steerer tube matches the Vision Metron Snakebite Stem Steerer Clamp size 1

2. Brake/electronic wiring should be run through the Metron TFA Aerobar Base Bar

electronic wiring should be run through the Metron TFA Aerobar Base Bar

electronic wiring should be run through the Metron TFA Aerobar Base Bar ① before install

electronic wiring should be run through the Metron TFA Aerobar Base Bar

Stem Body ⑤

⑤.

3. Slide Metron TFA Base Ba

Slide Metron TFA Base Bar ① into the slot on the Stem Body

into the slot on the Stem Body

into the slot on the Stem Body ⑤. Tighten the Steerer Clamp Bolt

4. Use Angle Adjustment Grip Nut

Use Angle Adjustment Grip Nut ⑭

⑭ and Angle Adjustment Bolt

and Angle Adjustment Bolt ⑳ to install the Upper Angle Adjustment Bracket

5. Slide Aero Extensions

e Aero Extensions ⑰ into Bridge

Bridge ⑯. Set to desired length and rotation angle. Tighten Angle Adjustment Bolt

. Set to desired length and rotation angle. Tighten Angle Adjustment Bolt ⑳

. Set to desired length and rotation angle. Tighten Angle Adjustment Bolt

Ensure the min

Ensure the minimum insertion length indication on the Aero Extensions

imum insertion length indication on the Aero Extensions

imum insertion length indication on the Aero Extensions ⑰ (MIN^INSERT) is

imum insertion length indication on the Aero Extensions

unexpected bar failure causing accident and injury.

6. Place Lower An

Place Lower Angle Adjustment Bracket

gle Adjustment Bracket ⑬ under Upper Angle Adjustment Bracket

7. To adjust angle of aerobar extensions

To adjust angle of aerobar extensions

To adjust angle of aerobar extensions ⑰, Use a 5mm h

⑭ slides freely. Set to desired angle and

slides freely. Set to desired angle and tighten Angle Adjustment Bolt

slides freely. Set to desired angle and

8. Install Armrest

Install Armrest Pad Plates

○

for desired fit position using

for desired fit position using Armrest Plate

for desired fit position using

9. See Table 1 for Stack Spacer

See Table 1 for Stack Spacers ⑩

⑩, ⑪, ⑫ and bolt configuration to

and bolt configuration to adjust the

10. Remove the adhesive Velcro Str

. Remove the adhesive Velcro Strips from Armrest P

. Remove the adhesive Velcro Str

11. Install the Expander Assembly

Expander Assembly

④ into the Carbon Steerer

into the Carbon Steerer. Tighten the Expander Assembly with a 6mm

12. Place the Stem Body

the Stem Body ⑤ onto the Carbon Steerer

onto the Carbon Steerer, tighten the Compression Cap

(fore / aft or up / down free play) in the headset assembly, while the bearings rotate freely (free steering motion).

fore / aft or up / down free play) in the headset assembly, while the bearings rotate freely (free steering motion).

fore / aft or up / down free play) in the headset assembly, while the bearings rotate freely (free steering motion). Do not tighten above

fore / aft or up / down free play) in the headset assembly, while the bearings rotate freely (free steering motion).

13. Ensure handlebar is aligned straight and gradually tighten th

Ensure handlebar is aligned straight and gradually tighten th

Ensure handlebar is aligned straight and gradually tighten the the Steerer Clamp Bol

Ensure handlebar is aligned straight and gradually tighten th

NOT exceed maximum torque specification. Always use a calibrated torque wrench.

14. Install Stem Top

Stem Top Plate ⑧ to Stem Body

Stem Body ⑤ use Stem Top Plate Bolt

Wiring Installation Tips

1. Brake/electronic wiring should be run through the Metron TFA Aerobar Base Bar

Brake/electronic wiring should be run through the Metron TFA Aerobar Base Bar

Brake/electronic wiring should be run through the Metron TFA Aerobar Base Bar ① before installing Stem Body

Brake/electronic wiring should be run through the Metron TFA Aerobar Base Bar

2. Installation is

Installation is greatly improved when using a guide cable to gently pull the housing or electronic wires through the base bar from either dir

greatly improved when using a guide cable to gently pull the housing or electronic wires through the base bar from either dir

greatly improved when using a guide cable to gently pull the housing or electronic wires through the base bar from either direction.

greatly improved when using a guide cable to gently pull the housing or electronic wires through the base bar from either dir

3. If Armrest Stack Spacers

If Armrest Stack Spacers ⑩, ⑪,

⑫ are being used in conjunction with wired electronic shifting on

are being used in conjunction with wired electronic shifting on Lower Angle Adjustment

are being used in conjunction with wired electronic shifting on

of the Stem Body ⑤ are designed ONLY to allow electronic shifting wires to be run internally through the Stem Body

of the Stem Body

are designed ONLY to allow electronic shifting wires to be run internally through the Stem Body ⑤ if desired.

are designed ONLY to allow electronic shifting wires to be run internally through the Stem Body

Never attempt to

Never attempt to modify the cable guide holes. Do not drill, saw, or file the holes larger or to a different shape. Modifications will void wa

modify the cable guide holes. Do not drill, saw, or file the holes larger or to a different shape. Modifications will void wa

modify the cable guide holes. Do not drill, saw, or file the holes larger or to a different shape. Modifications will void warranty and may result in failure of the handlebar while riding causing accident,

modify the cable guide holes. Do not drill, saw, or file the holes larger or to a different shape. Modifications will void wa

injury, or

injury, or death

death.

Aero Extension

Extension Length Adjustme

Length Adjustment

It may be necessary to trim aero extensions if the rear of the extension protrudes behind the mount.

It may be necessary to trim aero extensions if the rear of the extension protrudes behind the mount. Aerobars can only be cut from the rear. Do NOT cut the aerobars extensions from the front. Cutting aerobars from the front wi

void the warranty. Make careful measurments before cutting and be sure of the cut location. Cutting an aero extension is a one

void the warranty.

careful measurments before cutting and be sure of the cut location. Cutting an aero extension is a one-time and final adjustment.

careful measurments before cutting and be sure of the cut location. Cutting an aero extension is a one

Do not cut beyond the (MIN^INSERT) line indicators on the extensions. Cutting beyond the line indicators may make it impossi

Do not cut beyond the (MIN^INSERT) line indicators on the extensions. Cutting beyond the line indicators may make it impossible to install shifters into the extensions.

1. Use a sharp hacksaw blade for best results on alloy aerobars. For carbon aerobars, an abrasive blade will work best. Apply a

Use a sharp hacksaw blade for best results on alloy aerobars. For carbon aerobars, an abrasive blade will work best. Apply a

Use a sharp hacksaw blade for best results on alloy aerobars. For carbon aerobars, an abrasive blade will work best. Apply a layer of tape around area to be cut to reduce possibility of carbon fraying while

Use a sharp hacksaw blade for best results on alloy aerobars. For carbon aerobars, an abrasive blade will work best. Apply a

2. Use a cutting guide for the saw blade to ensure an even cut of the aerobar. Cut the extension to desired length.

Use a cutting guide for the saw blade to ensure an even cut of the aerobar. Cut the extension to desired length.

3. Remove any burrs or frayed carbon strands wit

Remove any burrs or frayed carbon strands wit

Remove any burrs or frayed carbon strands with sand paper.

4. Install shifter per shifter manufacturer's instructions.

Install shifter per shifter manufacturer's instructions.

5. Use Aero Extension Rear Plug

Aero Extension Rear Plug ⑲

⑲ over cable housing and press into Aero Extensio

over cable housing and press into Aero Extensio

over cable housing and press into Aero Extension ⑰.

6. Install Extension

Extension Bridge ⑥ as desirded

as desirded.

Armrest Adjustment

Adjustment (Fig.1) (Fig.2)

(Fig.1) (Fig.2)

SPEC AND ADJUSTABILITY

Stack : 70mm to 145mm

70mm to 145mm (Bottom of stem at center to top of uncompressed pad

(Bottom of stem at center to top of uncompressed pad -

(Bottom of stem at center to top of uncompressed pad

Reach : -16.5mm to

16.5mm to -106.5mm (Center of Base bar to rear edge of armrest

(Center of Base bar to rear edge of armrest

(Center of Base bar to rear edge of armrest - 7.5mm Increments)

Armrest width :

Armrest width : 210mm to 360mm (outside

210mm to 360mm (outside-to-outside - 15mm Increments)

Extension length adjustment : 245mm to 385mm (Center of Base bar to Tip)

Extension length adjustment

245mm to 385mm (Center of Base bar to Tip)

Extension length :

on length : 412mm

Extension height :

Extension height : 60mm (c-c)

Extension angle :

Extension angle : 35° (12° at extension tip)

35° (12° at extension tip)

Extension width : 80mm (c-c)

Extension width :

Base bar width :

Base bar width : 400mm (c-c)

Base bar drop/rise : -25mm/+25mm (c

Base bar drop/rise :

25mm/+25mm (c-c)

Armrest rotation :

Armrest rotation : 0- 13°

Bracket tilt

adjustment : 0 - 16°

ighten the Steerer Clamp Bolt

to install the Upper Angle Adjustment Bracket ⑮ to the Bridge ⑯

to install the Upper Angle Adjustment Bracket

under Upper Angle Adjustment Bracket

under Upper Angle Adjustment Bracket ⑮ making sure to align the wiring grov

making sure to align the wiring grov

making sure to align the wiring groves. Insert Washiers

a 5mm hex key loosen two

ex key loosen two or three full turns all 4 Extension Width Spacer Bolts

full turns all 4 Extension Width Spacer Bolts

full turns all 4 Extension Width Spacer Bolts ② then with a

Angle Adjustment Bolt ⑳

⑳ with Angle Adjustment Grip Nut

Plate Fixing Bolts

○

adjust the Armrest Pad Plates

Pads

○

and attach to the top surface of left and right

and attach to the top surface of left and right Armrest Pad Plate

Tighten the Expander Assembly with a 6mm hex wrench to

Tighten the Expander Assembly with a 6mm

ighten the Compression Cap & Bolt ⑦ with a 4mm hex wrench to until proper bearing preload is achieved. Note: Proper bearing preload is apparent when there is no

ighten the Compression Cap

the Steerer Clamp Bolt

Stem Top Plate Bolt ⑨

Torque to 10 kgf.cm /

kgf.cm /1 Nm / 9 in.lbs.

before installing Stem Body ⑤ or Bridge ⑯.

before installing Stem Body

h sand paper.

- 5mm Increments)

7.5mm Increments)

15mm Increments)

(28.6mm).

nstalling to stem. The Metron TFA Aerobar Base Bar

to stem. The Metron TFA Aerobar Base Bar

to stem. The Metron TFA Aerobar Base Bar ① can have a +/

to finger tight.

○

to finger tight.

⑳ to torque of 71 kgf.cm / 7 Nm / 62 in.lbs., then tighten Extension Fixing bolts

kgf.cm / 7 Nm / 62 in.lbs., then tighten Extension Fixing bolts

(MIN^INSERT) is flush with

flush with the Bridge ⑯ ends. Riding the bar without the "MIN^INSERT" line inside the mount can cause damage and

ends. Riding the bar without the "MIN^INSERT" line inside the mount can cause damage and

Insert Washiers ③

then with a 5mm hex key to loosen the Angle Adjustment Bolt

justment Grip Nut ⑭ to

to 71 kgf.cm / 7 Nm /

Nm / 62 in.lbs. Torque Extension Width Spacer Bolts

. Torque

Torque to 41 kgf.cm

kgf.cm / 4 Nm / 35 in.lbs. Do not tighten above

Do not tighten above 41 kgf.cm / 4 Nm / 35 in.lbs

Do not tighten above

Plates

to the desired height

to the desired height.

○

Armrest Pad Plate

○

hex wrench to 61-92 kgf.cm /

kgf.cm / 6-9 Nm / 53-80 in.lbs

with a 4mm hex wrench to until proper bearing preload is achieved. Note: Proper bearing preload is apparent when there is no

with a 4mm hex wrench to until proper bearing preload is achieved. Note: Proper bearing preload is apparent when there is no "knock"

Do not tighten above 41 kgf.cm / 4 Nm / 35 in.lbs

by alternating turning each screws 1/4 to 1/2 turn at a time so both screws tighten sim

by alternating turning each screws 1/4 to 1/2 turn at a time so both screws tighten simultaneously to

by alternating turning each screws 1/4 to 1/2 turn at a time so both screws tighten sim

○

Lower Angle Adjustment Bracket ⑬

⑬, use electrical tape to hold wiring in the guide slots on the spac

Aerobars can only be cut from the rear. Do NOT cut the aerobars extensions from the front. Cutting aerobars from the front will

Aerobars can only be cut from the rear. Do NOT cut the aerobars extensions from the front. Cutting aerobars from the front wi

time and final adjustment.

layer of tape around area to be cut to reduce possibility of carbon fraying while

layer of tape around area to be cut to reduce possibility of carbon fraying while cutting.

Fig.2

can have a +/-25mm drop or rise depending on which direction

25mm drop or rise depending on which direction it

25mm drop or rise depending on which direction

Extension Width Spacer Bolts

Extension Width Spacer Bolts ② and tighten

Extension Width Spacer Bolts

mm hex key to loosen the Angle Adjustment Bolt ⑳ until Angle Adjustment Grip Nut

mm hex key to loosen the Angle Adjustment Bolt

Torque Extension Width Spacer Bolts ② to 81 kgf.cm /

Torque Extension Width Spacer Bolts

/ 4 Nm / 35 in.lbs.

80 in.lbs. of torque.

/ 4 Nm / 35 in.lbs.

ultaneously to 61 kgf.cm / 6 Nm / 53 in.lbs

use electrical tape to hold wiring in the guide slots on the spacers. Small ports on either side

use electrical tape to hold wiring in the guide slots on the spac

rranty and may result in failure of the handlebar while riding causing accident,

ble to install shifters into the extensions.

Table 1: Armrest Stack Spacer & Bolt Compatibility

Spacer

5mm 10mm 20mm

is placed in the

to 41 kgf.cm / 4 Nm / 35 in.lbs.

kgf.cm / 4 Nm / 35 in.lbs..

○

and tighten to 81 kgf.cm / 8 Nm /

Nm / 71 in.lbs.

until Angle Adjustment Grip Nut

kgf.cm / 8 Nm / 71 in.lbs.

in.lbs.

kgf.cm / 6 Nm / 53 in.lbs. DO

ers. Small ports on either side

cutting.

Stack height ②

② Bolt length

20mm

0mm

35mm

5mm

40mm

10mm

45mm

15mm

50mm

20mm

55mm

25mm

60mm

30mm

65mm

35mm

70mm

40mm

75mm

45mm

80mm

50mm

85mm

55mm

90mm

60mm

95mm

65mm

100mm

70mm

105mm

Vision Metron TFA Aerobar Installation Instructions page 2

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