Gear Ratio Chart

All ratios are shown in cm per crank turn.

What gear ratio does my idworx bike have? How fast can I ride it? How steep can it climb? Here you will find a list according to the model's standard gear ratios, depending on the tire width.

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Grandone travel / 40mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11
Sprocket 11 13 15 17 19 21 24 27 31 35 40
Chainring 46T 924 782 678 598 535 484 424 377 328 290 254
Chainring 30T 603 510 442 390 349 316 276 246 214 189 166
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Grandone gravel / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11
Sprocket 11 13 15 17 19 21 24 27 31 35 40
Chainring 46T 953 807 699 617 552 499 437 388 338 300 262
Chainring 30T 622 526 456 402 360 326 285 253 221 195 171
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All Rohler / All Rohler Ti / Chain 43T-17T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 159 181 206 234 265 302 343 390 442 504 572 649 739 839
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All Rohler / All Rohler Ti / Chain 43T-17T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 162 183 209 237 269 306 348 395 448 510 579 657 748 850
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All Rohler / All Rohler Ti / Belt 50T-19T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 166 188 214 243 276 314 357 406 460 524 595 675 768 872
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All Rohler / All Rohler Ti / Belt 50T-22T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 145 164 187 212 240 274 311 353 401 457 518 588 669 760
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All Rohler / All Rohler Ti / Belt 50T-19T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 168 190 217 246 280 318 362 411 466 531 603 684 779 884
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All Rohler / All Rohler Ti / Belt 50T-22T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 146 166 189 215 243 277 315 358 406 462 525 569 678 770
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Rohler BLT / Rohler BLT Ti / Chain 43T-17T / 57mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 162 183 209 237 269 306 348 395 448 510 579 657 748 850
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Rohler BLT / Rohler BLT Ti / Belt 50T-19T / 57mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 168 190 217 246 280 318 366 411 466 531 603 684 779 884
Row topography Shape Decorative svg added to top

Rockn Rohler / Rockn Rohler Ti / Chain 39T-17T / 60mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 148 168 192 218 247 281 319 363 412 469 532 604 688 781
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Rockn Rohler / Rockn Rohler Ti / Belt 42T-19T / 60mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 143 162 185 210 238 271 308 350 397 452 513 582 663 752
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oPinion / oPinion Ti / Chain 39T-35T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 135 158 187 220 259 304 357 425 503 586 684 821
Pinion P1.18 135 151 168 187 209 233 259 290 323 358 400 448 499 557 621 687 767 860
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oPinion / oPinion Ti / Chain 39T-35T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 140 164 193 228 269 315 370 440 521 608 709 851
Pinion P1.18 140 156 174 194 216 241 269 300 335 371 415 464 517 577 643 712 795 891
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oPinion / oPinion Ti / Belt 32T-30T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 130 151 179 210 248 291 342 406 481 561 655 786
Pinion P1.18 130 144 161 179 200 223 248 277 309 343 383 429 478 533 594 658 734 823
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oPinion / oPinion Ti / Belt 32T-30T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 134 157 185 218 257 302 354 421 499 582 679 814
Pinion P1.18 134 149 167 186 207 231 257 287 320 355 397 444 495 552 616 682 761 853
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oPinion / oPinion Ti / Belt 42T-39T / 50mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 131 153 180 213 251 294 345 410 486 567 661 793
Pinion P1.18 131 146 163 181 202 225 251 280 312 346 387 433 482 538 600 664 741 831
Row topography Shape Decorative svg added to bottom

oPinion / oPinion Ti / Belt 42T-39T / 55mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 136 158 187 220 260 304 357 425 503 587 685 822
Pinion P1.18 136 151 168 187 209 233 260 290 324 359 401 448 500 557 622 688 768 861
Row topography Shape Decorative svg added to top

oPinion BLT / oPinion BLT Ti / Chain 39T-35T / 57mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 140 164 193 228 269 315 370 440 521 608 709 851
Pinion P1.18 140 156 174 194 216 241 269 300 335 371 415 464 517 577 643 712 795 891
Row topography Shape Decorative svg added to bottom

oPinion BLT / oPinion BLT Ti / Belt 32T-30T / 57mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 134 157 185 218 257 302 354 421 499 582 679 814
Pinion P1.18 134 149 167 186 207 231 257 287 320 355 397 444 495 552 616 682 761 853
Row topography Shape Decorative svg added to top

Rock oPinion Ti / Chain 39T-35T / 60mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 140 164 193 228 269 315 370 440 521 608 709 851
Pinion P1.18 140 156 174 194 216 241 269 300 335 371 415 464 517 577 643 712 795 891
Row topography Shape Decorative svg added to bottom

Rock oPinion Ti / Belt 42T-39T / 60mm Tires

Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 136 158 187 220 260 304 357 425 503 587 685 822
Pinion P1.18 136 151 168 187 209 233 260 290 324 359 401 448 500 557 622 688 768 861