Sugino Tension Disc Brochure of about 1989 — the Aero Dynamic Super Light Wheel, Its Specifications and Replacement Parts

Sugino’s brochure for the Tension Disc, its “aero dynamic super light wheel”: the features, a specification table for road and track versions with the hubs they fit, and the replacement parts. It prints the code “89065”.

— Page 1 (front cover) —
株式会社 スギノテクノ 〒630 奈良市杏町201-1 TEL(0742)62-5311 FAX(0742)62-5320
SUGINO CYCLE INDUSTRIES, LTD. 201-1, KARAMOMO-CHO, NARA, JAPAN TEL.(0742)62-5311 FAX(0742)62-5320
Printed in Japan 89065 NA
Sugino
TENSION DISC

[The Sugino Tension Disc wheel photographed alone on a dark page and mounted in a bicycle frame on the facing page under the title TENSION DISC. The left page carries the company address lines and a printed-in-Japan line at the foot; the right page has the Sugino logotype above the title.]

— Page 2 —
TENSION DISC——AERO DYNAMIC SUPER LIGHT WHEEL
This Tension Disc has an entirely new structure as a bicycle component.
Unlike the conventional disc wheel, the Tension Disc is not a single unit. Accordingly, assembly techniques and technical skill equal to the construction of spoke wheels are required.
Soft comfortable cushioning
absorbs shocks and decreases rider fatigue.
Gives good cornering
with its good elasticity,
it takes curves like a spoke wheel.
High aero dynamics
Higher aero dynamic efficiency because of its thin film construction than a solid-type disc wheel.
Ultra-lightweight
owing to kevlar-fiber film construction,
the Tension Disc set weighs only 250g.
Maintainability
for adjusting tension and eliminating wobble.
Economical
stock parts of suitable specifications may be used.
Quiet running
minimization of friction and echo noises.
SPECIFICATIONS
Model Name : TD-700-ROR
Sheet Weight : 250 g /1set
Assembly Weight : 850 g (total assembly weight using lightweight sew-up rim)
Suitable Load : 100kg (inc.rider & fittings)
Recommended Rim : 700C-32H Sew-up rim (except aero types)
Recommended Hub : Suntour/Superbe 32H, Sprint 32H
Shimano/Dura-Ace 32H 7-speed (8-speed requires a separate spacer.)
Campagnolo/Super-Record 32H
TRACK HUB
This hub is designed for track racing with the Tension Disc only.
The Tension Disc should be equipped with the road-racing Tension Sheet.
※Not for use with spoke wheels.
Model Name : HB-TD-TR
TYPE : Small – flange Double thread
Sealed-bearing type
Material : Light-alloy Anodized
LN Width : 120mm (over rock-nut width)
Weight : 280 g
COMPARISION AND EFFICIENCY
Chart of Vertical Load Tests
Distortion (mm)
Load (kgf)
Spoke Wheel
Tension Disc
Axis figures: 20 18 16 14 12 10 8 6 4 2 0 | 100 150 200 250 300 350 400
Chart of Lateral Load Tests
Distortion (mm)
Load (kgf)
Spoke Wheel
Tension Disc
Axis figures: 140 120 100 80 60 40 20 0 | 18.2 28.0 38.0 48.0 58.0 68.0
Chart of Angular Air Flow
Drag force (CD)
wheel slant angle
Spoke Wheel
Tension Disc
Carbon Disc
Axis figures: 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 | 0° 2° 4° 7° 11° 15°
Tests | Contents | Tension Disc | Spoke Wheel
Vertical Strength Load Test | Distortion at 250kgf load | 3.8mm | 4.8mm
| Residual Distortion at 250kgf load | 0.5mm | 0.6mm
| Load at failure | 400kgf | 350kgf
| Fatigued components | Damage to the nipple | Damage to the rim
Lateral Strength Load Tests | Distortion at 18.2kgf load | 9.0mm | 6.6mm
| Residual Distortion at 18.2kgf load | 0.4mm | 0.6mm
| Distortion at 70kgf load | 110mm | 140mm
Overall Strength Load Tests | Distortion at 120/40kgf load | 15/73.5mm | 18.2/72.0mm
| Residual Distortion at 120/40kgf load | 5.0mm (Vertical) | 6.7mm (Vertical)
Torque Load Cycle Tests | 40kgf/60 spin | No damage after 1,000,000 cycles | No damage after 1,000,000 cycles
Relative Mass Moment of Inertia
Tension Disc | Spoke Wheel | Sugino Carbon Disc | Sugino Aluminum Disc
98 | 100 | 88 | 101
Relative Mass of Angular Air Flow
Angular | Tension Disc | spoke Wheel | Sugino Carbon Disc
0°00 | 54 | 100 | 54
3°00 | 60 | 107 | 66
Relative Mass of Transmission Power from Hub to Rim (50kgf pedal pressure)
Tension Disc | Spoke Wheel | Sugino Carbon Disc
152 | 100 | 195
REPLACEMENT PARTS
Tension Sheets
Wheel bag
Air Valve Connector
Protector
Nipple Wrench
Hub Bolt set
Nipple set
Tension Bolt set
Tension Bolt Rock Liquid
Hub Spacer for 8-speed Dura Ace
Tension Sheet replacement sheet

[The Tension Disc aero wheel in photographs of riders and a mechanic, with six feature headings, a specifications list, the TRACK HUB text, test comparison tables and charts, and a REPLACEMENT PARTS section of small photographs with captions. The Torque Load row of the test table is split across two printed lines per cell.]