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Bicycles Sectional Committee, TED 16

FOREWORD

This Indian Standard Third Revision) was adopted by Bureau of Indian Standards, after the draft finalized by the

Bicycles Sectional Committee had been approved by the Transport Engineering Division Council.

This standard was originally issued in 1955 and was subsequently revised in 1963 and 1993. Earlier requirements

of ladies bicycle frames were separately covered in IS 3404. Based on experience gained in the manufacture of

bicycle frames the revision

of

this standard has been taken up amalgamating both the standards covering the

requirements

of

all types

of

frames. With the publication

of

this standard IS 3404 : 1979 Specification for ladies

bicycle frames first revision) will be withdrawn.

The composition of the Committee responsible for the formulation of this standard is given in Annex A.

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value,

observed or calculated, expressing the result

of

a test or analysis, shall be rounded off in accordance with

IS

1960 Rules for rounding off numerical values revised) . The number

of

significant places retained in the

rounded off value should be the same as that of the specified value in this standard.

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IS

623:

2008

Indian Standard

BICYCLE - BICYCLE FRAMES - SPECIFICATION

Third Revision

1

SCOPE

This standard specifies the material and dimensional

and other requirements for frames suitable for being

fitted in popular sizes

of

bicycles including ladies

bicycles.

3.3

Lugs

Mild steel with sulphur and phosphorus content, each

not exceeding 0.060 percent; or whiteheart malleable

iron casting conforming toGrade WM350 of IS 14329.

4

DIMENSIONS

REFERENCES

Cold drawn seamless, or electrically resistance butt

welded conforming to IS 2039 Parts 1 to 3 .

3.2 Liners

The following standards contain provisions. which

through reference in this text, constitute provisions of

this standard . At the time of publication, the editions

ind icated were valid. All standards are subject to

revision and par ties to agreements based on this

standard are encouraged to investigate the possibility

of applying the most recent editions of the standards

indicated below.

IS No.

1131 : 2006

1132 : 1985

1133 : 1985

1134: 2004

2039 Parts

to

3 :

1991

2061: 1995

10613: 2004

14329: 1995

3

MATERIAL

3.1

Frame

Tubes

Title

Bicycle bottom bracket axle

Specification third revision

Specification for hicycle bottom

bracket adjustable ball cup PH type

second revision

Specification for bicycle bot tom

bracket fixed ball cup PH type

second revision

Bicycles bottom bracket lock

r n -

Specification third revision

Steel tubes for bicycle and cycle

rickshaws - Specification

second

revision

Bicycle - Front forks

Specification first revisions

Cycles - Safety requirements for

bicycles

first revision

Malleable iron castings

4.1

Frame

Tubes

The frame shall conform to the dimensions specified

in Fig . I, Fig. 2 or Fig. 3. The dimensions of the tubes

specified in Fig. shall comply with those given in

IS 2039 Parts to 3 .

4.2 Screw

Threads

The dimensions

of

screw threads

on

bottom brackets

shell for fixed and adjuster cups shall conform to

IS 1131,IS 1132, IS 1133 and IS 1134.

5

MANUFACTURE

The tubes shall be fitted squarely to their respective

lugs. During brazing, the frame assembly shall be

securely held to prevent the relative movement of its

members. The tubes shall be so fitted as to be in one

plane and the axis

of

the bottom bracket shall be

perpendicular to the plane of the frame see 7.1 .

6 FINISH

The frame shall be free from rust, scale and oily

substances. shall be suitably pretreated and stove

enamelled, spray-painted or otherwise treated to give

a good/glossy finish.

7

TESTS

7.1 Trueness of

Frame

The frame shall be fixed on a suitable surface plate

with bottom bracket perpendicular see Fig. 4 . The

heights of the centre lines of the tubes and the chain

and seat stays shall be measured from the surface plate.

These heights shall not vary by more than 1.5 mm

with respect to the horizontal plane passing through

the centre

of

the bottom bracket.

Mild steel with sulphur and phosphorus content, each

not exceeding 0.060 percent.

7.2 ImpactTest on

Frame Fork

Assembly

For the purpose

of

load test, the frame shall be


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348 x

06

PITCH BICYCLE THREAD

R H FOR THI S S ID E L H FOR C HA IN S ID E

~ .

-

I J

M

N

-

I

~

10 , 5

_

~

RIDGEG ~ D B E T W E C

. TYRE

TOP TU E

\1254

00

SEAT TUBE

0 1 6 6 0 0

66 8

BOTTOM BRACKET

l-.J

All dimensions in millirnetres.

FIG.

1

BICYCLE FRAME SCHEMATIC)


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HEAD TUBE

I

31 8 00

w

TOP HEAD lUG

LINERS

TOP

TUBE

25

.4

00

DOWN

TUBe

Ifl2860 0

BOTTOM BRACKET

-. lCJ.06,P/TCH ICYCLE THREADS

RH FOR THIS SIDE l H FOR CH IN SI

I I

min GAP BETWEEN

BRIDGE AND TYR

~ r n i n BETWEEN

\ BRIDGE AND TYRE

rn

N

All dimcnsions in millirnclrcs.

o. 2 t , m ,

S

Y

M L S O F (ScU OC)


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29min .GAP BETWEEN

~ R O G E AND TYRE

105tl5

I

29 m n GAP BETWEEN

BRIDGE

N TVRE

34.8l 1.06,PITCH BICYCLE THRE DS

R OR

THIS

SIDE,

FOR

CH IN SIDE

SOmal ,

All dimensions in mi/limelrc:s

FIG. 3 L. OIF.s

B cy

cu ;

CURVED BAR ~ l o f SCHEMAnC

DOWN TU E

00

HEAD TUBE.

31 8

00

HE D LUG

40


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GAUGE BLOCK

CEN1RAL AXIS FOR

/ / B Ol l OM

BRACKEl

/

IS 62.\ : 2008

Fll

i . 4 T I H 1011 Til l L I.SS m B WYCLI: FilA MI'

assembled wuh a fork

of

the

same

producuon

lilt and

conforming III the test

requirements

of IS

: 061.

7.2.1 Impact Tt.lt Falling Mass)

When tes ted by the method

described

4.6.1 of

IS 10613 there shall be no visible evidence

of

fracture,

and

the

permanent

deformation

of

the

assembl

y.

measured between the centre lines of the axles, shall

not exceed 40 mm

after

an impact of 39 .5 J of

energ

y.

7.2.2 Impact

Tnt

Falling Frame

and

Fork Assemblv

When tested hy the

method

de

scribed

in

4.6.2

of

IS J ) l there shall h no vivihlc evidence of fracture.

7

.J

Test

for Fini

..h

7.l1 A solid steel ball measuring 13 mrn 10 diameter

shall

h

dropped from a height

of

1.5 m on any

panned

port ion of the frame . The pamt at the place where the

steel hall stnkes the frame shall

\lo

ithstand the Impact

wuhour show

10 9

any sign of tear or peeling off .

7.l The frame shall be kept dipped for one hour in a

5

5 percent

common

so lution at the temperatures

specified

below

.

The

paint shall not soften. peel

of f

or

show any change in colour:

a) Black

enamel

paint 80 C, and

b) Other

enamel

paints

0c .

8 MARKING

Each frame shal be marked with the manufacturer s

name, initials or trade-mark. and the country ofOrigin.

The

manufacturer s serial number sha] stamped

suitably .

8.1 BIS Certification

rldq

Frame may abo be marked with the Standard Mark.

8.1.1 The use

of

the

Standard

Mark IS governed hy the

provision s of the Bureau ofIndian StandardsAct. 1986

and the Rule and Regulations made thereunder . The

details of condiuons

under

which the li

cen

ce for the

use of the Standard Mark may be granted to the

manufacturers or producers may obtained from the

Bureau of Indian Standards.


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IS 623

8

NNEX

Foreword

OMMITI EE

OMPOSITION

Bicycles Sectional Committee, TED 16

Directorate General of Supplies and Disposals, New Delhi

Department of Industrial Policy Promotion, New Delhi

Controllerate of Quality Assurance Vehicles), Ahmednagar

Avon \spat Power Limited Rim Division), Ludhiana

Representativess

SHRI

P R MJEET

SINGH ChfJiTllUln

SHRI R S

B INS

Alternate

Ms

REEN

D Y L

SHRI

VIKR M

K PUR

SHRI

GIRISH

PUR Alternate

SHRI

ONK R

SINGH P HW

SHRI B S DH MAN Alternate

SHRI H RCH R N SINGH

SHRI sHW NI KUM R BH KH N

Alternate

SHRI N GINDER SINGH

BHOG L

SHRI R TINDER SINGH BHOG L

Alternate

SHRI

A J

P W R

SHRI V K

SINH

Alternate

SHRI M M Au KH N

SHRI B C. N Y K

Alternate

GENER L

M N GER

SENIOR

TEooocAL

0mcER

Alternate

SHRI S M

MUNJ L

SHRI P M WANJARJ Alternate

SHRI R. N GOY L

SHRI SUNIL

CHOPR Alternate

SHRI

J GDEEP

SINGH

SHRI

VINOD

POOD R

SHRI S P

SUICHR NI Alternate

SHRJ M SRJNIV S N

SHRI

P

R.

R VIKUM R

Alternate

SHRI K

SUBR M NI N

SHRI N

MOH N SUND R M

Alternate

SHRI

S K

R J

SHRI

Y.N GUPr

Alternate

SHRI

JOGlNDER

KUM R

SHRI AnT

SINGH

SHRI D RSM N

SINGH

Alternate

SHRI L.

K

M THUR

SHRI S NJEEV

SoOD

Alternate

SHRI

H RMINoER SINGH P HW

SIIRJ

ROHIT

P HW

Alternate

SHRI R. L.

G RG

SHRI

M B J Y KUM R

Alternate

SIIRJ

S NJEEV

P HWA

SHRI

T R. KUKREJ

Alternate

SIIRJ S TISH KUM R

DH No

SHRI B K SETH

SHRI S

S DISH

KUM R

SHRI

V I>uRAnw

Alternate

PREsIDENT

SE RET RY

Alternate

SHlU RAKESH KUMAR, Scientist and Head

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Bureau

of

Indian

Standards

BIS is a sta tut ory i nsti tut ion esta bl ishe d un de r the Bureau

Indian Standards ct 1986 to promote

harmonious development of the activities of standardization, marking and quality certification of goods

and attending to connected matters in the country.

Copyright

BIS has the Copyright of all its publications. No part of these publications may ereproduced in any form

without the p ri or p er mi ssio n in writing of BIS. This does not preclude the free use, in the course of

implementing the standard, of necessary details, such as symbols and sizes, type or grade designations.

Enquiries relating to copyright eaddressed to the Director Publications), BIS.

Review of Indian

Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed

periodically; a standard along with amendments is

reaffirmed

when such review indicates that no changes are

needed; if the review indicates that changes are needed. it is taken up for revision. Users of Indian Standards

should ascertain that they are

in

possession

of

the latest amendments or edition by referring to the latest issue of

BIS Catalogue and Standards: Monthly Additions .

This Indian Standard has been developed from

Doc :

No. TED 16 588).

Amendments ssuedSince Publication

Amend No.

Date of Issue

BUREAU OF

INDIAN

STANDARDS

Text Affected

Headquarters :

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110 2

Telephones : 2323 0131, 23233375 232394 2

Telegrams: Manaksanstha

Common to all offices)

Regional Offices :

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Bhavan

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Zafar

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DEUllII

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VII

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SCO 335-336, Sector 34-A, CHANDIGARH 160 022

Eastern

Northern

Southern

Western

Br anc he s :

Telephone

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