GEAR RATIO CHART

 

Grandone travel / 40mm tires

Gear Ratio = cm/per crank turn
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

Grandone gravel / 50mm tires

Gear Ratio = cm/per crank turn
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

Easy Rohler Evo / Chain 43T-17T / 50mm Tires

Gear Ratio = cm/per crank turn
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

Easy Rohler Evo / Belt 50T-19T / 50mm Tires

Gear Ratio = cm/per crank turn
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

All Rohler / All Rohler Ti / Chain 43T-17T / 50mm Tires

Gear Ratio = cm/per crank turn
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

All Rohler / All Rohler Ti / Chain 43T-17T / 55mm Tires

Gear Ratio = cm/per crank turn
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

All Rohler / All Rohler Ti / Belt 50T-19T / 50mm Tires

Gear Ratio = cm/per crank turn
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

All Rohler / All Rohler Ti / Belt 50T-19T / 55mm Tires

Gear Ratio = cm/per crank turn
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

Rohler BLT / Rohler BLT Ti / Chain 43T-17T / 57mm Tires

Gear Ratio = cm/per crank turn
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

Rohler BLT / Rohler BLT Ti / Belt 50T-19T / 55mm Tires

Gear Ratio = cm/per crank turn
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

Off Rohler Evo / Chain 39T-17T / 60mm Tires

Gear Ratio = cm/per crank turn
Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 137 155 177 201 228 259 295 335 380 433 491 557 634 720

Off Rohler Evo / Belt 50T-19T / 60mm Tires

Gear Ratio = cm/per crank turn
Gear 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Rohloff Speedhub 157 178 203 230 261 297 338 384 436 496 563 639 728 826

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

Gear Ratio = cm/per crank turn
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

Rockn Rohler / Rockn Rohler Ti / Belt 42T-19T / 60mm Tires

Gear Ratio = cm/per crank turn
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

oPinion / oPinion Ti / Chain 39T-35T / 50mm Tires

Gear Ratio = cm/per crank turn
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

oPinion / oPinion Ti / Chain 35T-39T / 50mm Tires

Gear Ratio = cm/per crank turn
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 109 127 150 177 209 245 287 342 405 472 551 661
Pinion P1.18 109 121 135 151 168 188 209 233 260 289 322 361 402 448 500 553 618 693

oPinion / oPinion Ti / Chain 39T-35T / 55mm Tires

Gear Ratio = cm/per crank turn
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

oPinion / oPinion Ti / Chain 35T-39T / 55mm Tires

Gear Ratio = cm/per crank turn
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 113 132 156 183 216 254 298 354 419 489 571 685
Pinion P1.18 113 126 140 156 174 194 216 242 270 299 334 374 416 464 518 573 640 718

oPinion / oPinion Ti / Belt 32T-30T / 50mm Tires

Gear Ratio = cm/per crank turn
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

oPinion / oPinion Ti / Belt 32T-30T / 55mm Tires

Gear Ratio = cm/per crank turn
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

oPinion / oPinion Ti / Belt 42T-39T / 50mm Tires

Gear Ratio = cm/per crank turn
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

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

Gear Ratio = cm/per crank turn
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

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

Gear Ratio = cm/per crank turn
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

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

Gear Ratio = cm/per crank turn
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 113 132 156 183 216 254 298 354 419 489 571 685
Pinion P1.18 113 126 140 156 174 194 216 242 270 299 334 374 416 464 518 573 640 718

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

Gear Ratio = cm/per crank turn
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

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

Gear Ratio = cm/per crank turn
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

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

Gear Ratio = cm/per crank turn
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Pinion C1.12 113 132 156 183 216 254 298 354 419 489 571 685
Pinion P1.18 113 126 140 156 174 194 216 242 270 299 334 374 416 464 518 573 640 718

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

Gear Ratio = cm/per crank turn
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