49388 11/18 | 85-001044_INST_A
HEADSET SPACER BELL INSTRUCTIONS
6400 WEST 105TH STREET // BLOOMINGTON, MN 55438 // 1-855-883-6563 // WWW.MSWBIKE.COM
Thank you for your purchase! At MSW®we believe having essential
accessories makes a good bike ride great. The MSW Headset Spacer Bell fits
seamlessly into your headset stack, leaving your handlebars free for other
accessories.
WARNING: Cycling can be dangerous. Bicycle products should be installed
and serviced by a professional mechanic. Never modify your bicycle or
accessories. Read and follow all product instructions and warnings including
information on the manufacturer’s website. Inspect your bicycle before every
ride. Always wear a helmet.
For additional product and safety information go to: www.mswbike.com/safety.
INTENDED USE
The MSW Bell is designed to replace one or more spacers between
the bicycle headset and stem. The three-step installation
procedure requires the removal and replacement of the stem cap,
stem and handlebars. If you’re not familar with the procedures
shown here, obtain help from a qualified bicycle mechanic.
TOOLS AND SUPPLIES
You will need:
• Headset spacers (if needed)
• 4, 5, 6mm hex-bit sockets
• Torque wrench with Newton-meter scale
INSTALLATION INTRODUCTION
The MSW Bell is designed to replace one or more spacers between the bicycle
headset and stem. The three-step installation procedure requires the removal
and replacement of the stem cap, stem and handlebars. If you’re not familar with
the procedures shown here, obtain help from a qualified bicycle mechanic.
WARNING: The spacing between the top of the steerer tube and the stem
is critical. Failure to maintain the spacing shown below can result in stem/
handlebar separation, crash and serious injury.
INSTALLATION STEPS
1. Remove stem cap and stem
2. Swap bell mounting ring in place of existing spacer(s) and reassemble
3. Confirm steerer tube to stem spacing and torque stem cap to specification
STEP 1: REMOVE STEM CAP & STEM
Remove stem bolt and cap and top spacer. Loosen stem bolts and remove
stem and handlebars (Fig 1).
STEP 2: SWAP BELL IN PLACE OF
SPACER(S) AND REASSEMBLE
Remove one 10mm spacer or two 5mm spacers and install bell in place of the
removed spacer(s) (Fig 2).
Slide the existing spacer(s), stem and top spacer onto steerer tube (Fig. 3).
Rotate bell gong to preferred position on left or right side of steerer tube
(Fig. 4). Do not install step bolt and cap at this point.
Figure 1
Headtube
Frame
Spacer stack
Stem clamp bolts
10mm spacer
Stem cap
Stem
Stem cap bolt
Headtube
Frame
Spacer stack
Remove
Stem clamp bolts
10mm spacer
Stem cap
Stem cap bolt
Stem
Gong
Clapper
10mm
Bell Mounting Ring
Figure 1
Figure 3
Headtube
Frame
10mm Spacer 2-5mm Spacers
Existing spacer
Top spacer
Figure 2
Headtube
Frame
Steerer tube
or
Figure 2
Headtube
Frame
Spacer stack
Stem clamp bolts
10mm spacer
Stem cap
Stem
Stem cap bolt
Stem
Headtube
Frame
Spacer stack
Remove
Stem clamp bolts
10mm spacer
Stem cap
Stem cap bolt
Stem
Gong
Clapper
10mm
Bell Mounting Ring
Figure 1
Figure 3
Headtube
Frame
10mm Spacer 2-5mm Spacers
Existing spacer
Top spacer
Figure 2
Headtube
Frame
Steerer tube
or
Figure 3
Headtube
Frame
Spacer stack
Stem clamp bolts
10mm spacer
Stem cap
Stem
Stem cap bolt
Stem
Headtube
Frame
Spacer stack
Remove
Stem clamp bolts
10mm spacer
Stem cap
Stem cap bolt
Stem
Gong
Clapper
10mm
Bell Mounting Ring
Figure 1
Figure 3
Headtube
Frame
10mm Spacer 2-5mm Spacers
Existing spacer
Top spacer
Figure 2
Headtube
Frame
Steerer tube
or
Figure 4
Stem
Headtube
Frame
Top spacer
Stem
Figure 5
Figure 6
Top of spacer
Top of steerer tube
For riding on a
paved surface where
the tires do not lose
ground contact
ASTM F2043
