ANNEX IIREQUIREMENTS FOR TYRES

Appendix 5MEASURING RIM, OUTER DIAMETER AND SECTION WIDTH OF TYRES OF CERTAIN SIZE DESIGNATIONS

(see Annex II, sections 6.1.1.2 and 6.1.2.2)

PART A: PASSENCER CAR TYRES

TABLE 1

Tyres in diagonal construction

Tyre size designation

Measuring rim width(inches)

Outer diameter15(in mm)

Section width15(in mm)

Super balloon series

4.80-10

3.5

490

128

5.20-10

3.5

508

132

5.20-12

3.5

558

132

5.60-13

4

600

145

5.90-13

4

616

150

6.40-13

4.5

642

163

5.20-14

3.5

612

132

5.60-14

4

626

145

5.90-14

4

642

150

6.40-14

4.5

666

163

5.60-15

4

650

145

5.90-15

4

668

150

6.40-15

4.5

692

163

6.70-15

4.5

710

170

7.10-15

5

724

180

7.60-15

5.5

742

193

8.20-15

6

760

213

Low section series

5.50-12

4

552

142

6.00-12

4.5

574

156

7.00-13

5

644

178

7.00-14

5

668

178

7.50-14

5.5

688

190

8.00-14

6

702

203

6.00-15 L

4.5

650

156

Super low section series16

155-13/6.15-13

4.5

582

157

165-13/6.45-13

4.5

600

167

175-13/6.95-13

5

610

178

155-14/6.15-14

4.5

608

157

165-14/6.45-14

4.5

626

167

175-14/6.95-14

5

638

178

185-14/7.35-14

5.5

654

188

195-14/7.75-14

5.5

670

198

Ultra low section

5.9-10

4.5

483

148

6.5-13

4.5

586

166

6.9-13

4.5

600

172

7.3-13

5

614

184

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.

The following size designations are accepted:

  • 185-14/7.35-14 or 185-14 or 7.35-14 or 7.35-14/185-14.

TABLE 2

Tyres in radial construction

Tyre size designation

Measuring rim width(inches)

Outer diameter17(in mm)

Section width17(in mm)

5.60 R 13

4

606

145

5.90 R 13

4.5

626

155

6.40 R 13

4.5

640

170

7.00 R 13

5

644

178

7.25 R 13

5

654

184

5.90 R 14

4.5

654

155

5.60 R 15

4

656

145

6.40 R 15

4.5

690

170

6.70 R 15

5

710

180

140 R 12

4

538

138

150 R 12

4

554

150

150 R 13

4

580

149

160 R 13

4.5

596

158

170 R 13

5

608

173

150 R 14

4

606

149

180 R 15

5

676

174

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.

TABLE 3

Millimetric series — radial

Tyre size designation19

Measuring rim width(inches)

Outer diameter18(in mm)

Section width18(in mm)

125 R 10

3.5

459

127

145 R 10

4

492

147

125 R 12

3.5

510

178

135 R 12

4

522

184

145 R 12

4

542

155 R 12

4.5

550

155

125 R 13

3.5

536

127

135 R 13

4

548

137

145 R 13

4

566

147

155 R 13

4.5

578

157

165 R 13

4.5

596

167

175 R 13

5

608

178

185 R 13

5.5

624

188

125 R 14

3.5

562

127

135 R 14

4

574

137

145 R 14

4

590

147

155 R 14

4.5

604

157

165 R 14

4.5

622

167

175 R 14

5

634

178

185 R 14

5.5

650

188

195 R 14

5.5

666

198

205 R 14

6

686

208

215 R 14

6

700

218

225 R 14

6.5

714

228

125 R 15

3.5

588

127

135 R 15

4

600

137

145 R 15

4

616

147

155 R 15

4.5

630

157

165 R 15

4.5

646

167

175 R 15

5

660

178

185 R 15

5.5

674

188

195 R 15

5.5

690

198

205 R 15

6

710

208

215 R 15

6

724

218

225 R 15

6.5

738

228

235 R 15

6.5

752

238

175 R 16

5

686

178

185 R 16

5.5

698

188

205 R 16

6

736

208

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.

On certain tyres the rim diameter can be expressed in mm:

  • 10″ = 255

  • 12″ = 305

  • 13″ = 330

  • 14″ = 355

  • 15″ = 380

  • 16″ = 405

(example: 125 R 225).

TABLE 4

70 Series — Radial20

Tyre size designation

Measuring rim width(inches)

Outer diameter21(in mm)

Section width21(in mm)

145/70 R 10

3.5

462

139

155/70 R 10

3.5

474

146

165/70 R 10

4.5

494

165

145/70 R 12

4

512

144

155/70 R 12

4

524

151

165/70 R 12

4.5

544

165

175/70 R 12

5

552

176

145/70 R 13

4

538

144

155/70 R 13

4

550

151

165/70 R 13

4.5

568

165

175/70 R 13

4.5

580

176

185/70 R 13

5

598

186

195/70 R 13

5.5

608

197

205/70 R 13

5.5

625

204

145/70 R 14

4

564

144

155/70 R 14

4

576

151

165/70 R 14

4.5

592

165

175/70 R 14

5

606

176

185/70 R 14

5

624

186

195/70 R 14

5.5

636

197

205/70 R 14

5.5

652

206

215/70 R 14

6

665

217

225/70 R 14

6

677

225

235/70 R 14

6.5

694

239

245/70 R 14

6.5

705

243

145/70 R 15

4

590

144

155/70 R 15

4

602

151

165/70 R 15

4.5

618

165

175/70 R 15

5

632

176

185/70 R 15

5

648

186

195/70 R 15

5.5

656

197

205/70 R 15

5.5

669

202

215/70 R 15

6

682

213

225/70 R 15

6

696

220

235/70 R 15

6.5

712

234

245/70 R 15

6.5

720

239

Dimensional data applicable to some tyres in existence. For new approvals, dimensions calculated according to sections 6.1.1.1 and 6.1.2.1 of Annex II apply.

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.

TABLE 5

60 Series radial22

Tyre size designation

Measuring rim width(inches)

Outer diameter23(in mm)

Section width23(in mm)

165/60 R 12

5

504

167

165/60 R 13

5

530

167

175/60 R 13

5.5

536

178

185/60 R 13

5.5

548

188

195/60 R 13

6

566

198

205/60 R 13

6

578

208

215/60 R 13

6

594

218

225/60 R 13

6.5

602

230

235/60 R 13

6.5

614

235

165/60 R 14

5

554

167

175/60 R 14

5.5

562

178

185/60 R 14

5.5

574

188

195/60 R 14

6

590

198

205/60 R 14

6

604

208

215/60 R 14

6

610

215

225/60 R 14

6

620

220

235/60 R 14

6.5

630

231

245/60 R 14

6.5

642

237

265/60 R 14

7

670

260

185/60 R 15

5.5

600

188

195/60 R 15

6

616

198

205/60 R 15

6

630

208

215/60 R 15

6

638

216

225/60 R 15

6.5

652

230

235/60 R 15

6.5

664

236

255/60 R 15

7

688

255

205/60 R 16

6

654

208

215/60 R 16

6

662

215

225/60 R 16

6

672

226

235/60 R 16

6.5

684

232

Dimensional data applicable to some tyres in existence. For new approvals, dimensions calculated according to sections 6.1.1.1 and 6.1.2.1 of Annex III apply.

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.

TABLE 6

High flotation tyres — radial

Tyre size designation

Measuring rim width(inches)

Outer diameter24(in mm)

Section width24(in mm)

27 × 8.50 R 14

7

674

218

30 × 9.50 R 15

7.5

750

240

31 × 10.50 R 15

8.5

775

268

31 × 11.50 R 15

9

775

290

32 × 11.50 R 15

9

801

290

33 × 12.50 R 15

10

826

318

Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.