← Review table (e-bike) · shopper page
bike-components:294337 · source URL · confidence 0.83
Cannot win: e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| M | M | — | unknown | unsupported | yes | €7.990 | — |
| L | L | — | unknown | unsupported | yes | €7.990 | — |
| XL | XL | — | unknown | unsupported | yes | €7.990 | — |
| mapping | unsupported |
|---|---|
| reason | "M" is a letter size and there is no reviewed Rotwild equivalence to convert it. |
A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible
Only listing of this configuration — nothing to merge.
| field | source | evidence |
|---|---|---|
| brand | retailer:bike-components / parse | ROTWILD |
| model | retailer:bike-components / derived | ROTWILD R.EX Core 29"/27.5" e-mountain bike |
| category | retailer:bike-components / derived | retailer taxonomy |
| frameMaterial | retailer:bike-components / parse | Carbon |
| groupsetFamily | retailer:bike-components / dictionary | Shimano XT RD-M8100, 12-speed |
| electronicShifting | retailer:bike-components / derived | Shimano XT RD-M8100, 12-speed |
| speeds | retailer:bike-components / parse | 12-speed |
| brakes | retailer:bike-components / parse | hydraulic |
| suspension | retailer:bike-components / derived | rear shock row: Fox Racing Shox Float X Performance |
| fork | retailer:bike-components / dictionary | Fox Racing Shox Float 36 SL GRIP Performance |
| rearShock | retailer:bike-components / dictionary | Fox Racing Shox Float X Performance |
| dropperPost | retailer:bike-components / derived | seatpost row "8Pins NGS 3.0" names no dropper, in a 57-field spec table |
| beltDrive | retailer:bike-components / parse | without |
| weightKg | retailer:bike-components / parse | Weight: 22.8 kg |
| powerMeter | retailer:bike-components / derived | absent from a 57-field spec table |
| availability | retailer:bike-components / derived | 3/3 sizes in stock |
| ebike.motor | retailer:bike-components / parse | Avinox | Avinox M1 |
| ebike.motor.position | retailer:bike-components / parse | mid-drive |
| ebike.motor.torqueNm | deterministic / dictionary | avinox-m1 105 Nm: https://www.avinox-ebike.com/de/drive-unit |
| ebike.battery.capacityWh | retailer:bike-components / parse | Capacity: 864 |
| ebike.speedClass | retailer:bike-components / parse | Max. Assistance Speed: 25 km/h |
| ebike.eDiscipline | retailer:bike-components / parse | shelf: E-Mountain Bike |
| ebike.maxSystemWeightKg | retailer:bike-components / parse | Weight Limit: 130 kg |
info wheel-size-varies-by-frame-size — the row states more than one wheel size ("29" (front), 27.5" (rear)"), so the wheel size of the bike in a given frame size is not established. Recorded as unknown rather than picking one.info wheel-material-unknown — Wheel material could not be established.info mixed-groupset — Not a uniform groupset: {"rearDerailleur":"XT","cassette":"Deore"}. Ranked on the shifting level, with a penalty.{
"frameScore": 26,
"drivetrainScore": 22,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 7,
"weightAdjustment": -3,
"equipmentValue": 57,
"notes": [
"Shimano XT = 23.",
"Mixed groupset -1: cassette is Deore, 26 tier below XT.",
"Wheels unknown: scored level with basic aluminium, which is neither a reward for omitting the wheelset nor a penalty for naming a cheap one.",
"Brakes \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
"22.8 kg vs 14.4 kg mtb-hardtail reference = -3.",
"Fork \"mid\" +7."
],
"marketPrice": null,
"valueScore": null,
"savingsVsMarket": null
}
{
"requested": [
"wheelMaterial",
"wheelTier"
],
"applied": [],
"rejected": [],
"notes": "The source names the crankbrothers Synthesis Enduro rims but does not establish their material. Therefore wheelMaterial and wheelTier cannot be resolved. The drivetrain is mixed because the Shimano XT shifter and derailleur are paired with an e*thirteen crankset.",
"raw": {
"frameMaterial": {
"value": "carbon",
"evidence": "Frame material: Carbon",
"confidence": 1
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Derailleur: Shimano XT RD-M8100, 12-speed",
"confidence": 1
},
"groupsetFamily": {
"value": "XT",
"evidence": "Derailleur: Shimano XT RD-M8100, 12-speed",
"confidence": 1
},
"electronicShifting": {
"value": "false",
"evidence": "Shift Lever: Shimano XT SL-M8100",
"confidence": 0.95
},
"speeds": {
"value": "12",
"evidence": "Derailleur: Shimano XT RD-M8100, 12-speed",
"confidence": 1
},
"mixedGroupset": {
"value": "true",
"evidence": "Crankset: e*thirteen e*spec Plus, 34 T",
"confidence": 0.98
},
"wheelMaterial": {
"value": null,
"evidence": null,
"confidence": 0
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Brakes: Magura MT5, hydraulic",
"confidence": 1
},
"weightKg": {
"value": "22.8",
"evidence": "Weight: 22.8 kg",
"confidence": 1
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "The source names the crankbrothers Synthesis Enduro rims but does not establish their material. Therefore wheelMaterial and wheelTier cannot be resolved. The drivetrain is mixed because the Shimano XT shifter and derailleur are paired with an e*thirteen crankset."
}
}
{
"id": "bike-components:294337",
"retailer": "bike-components",
"retailerProductId": "294337",
"productUrl": "https://www.bike-components.de/en/ROTWILD/R-EX-Core-29-27-5-e-mountain-bike-p294337/",
"brand": "Rotwild",
"model": "R.EX Core 29\"/27.5\" e-mountain bike",
"modelYear": null,
"category": "e-bike",
"categoryBasis": "route",
"sourceCategory": "e-bike",
"price": 7990,
"originalPrice": 8990,
"currency": "EUR",
"discountPercent": 11,
"frameMaterial": "carbon",
"frameModel": "Rotwild R.EX",
"frameTier": null,
"groupsetBrand": "Shimano",
"groupsetFamily": "XT",
"groupsetGeneration": null,
"electronicShifting": false,
"speeds": 12,
"mixedGroupset": true,
"groupsetComponents": {
"rearDerailleur": "XT",
"cassette": "Deore"
},
"groupsetTierSpread": 26,
"crank": "e*thirteen e*spec Plus, 34 T",
"cassette": "Shimano CS-M6100, 10-51 T, 12-speed",
"brakes": "hydraulic-disc",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "full",
"fork": {
"make": "FOX",
"line": "36",
"tier": "mid",
"travelMm": null
},
"rearShock": {
"make": "FOX",
"line": "Float X",
"tier": "mid"
},
"dropperPost": false,
"beltDrive": false,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": null,
"wheelset": "crankbrothers Synthesis Enduro, Tubeless Ready, inner width: 31.5 mm (front) / 29.5 mm (rear) | 15 x 110 mm, Disc 6-Bolt | 12 x 148 mm",
"wheelMaterial": "unknown",
"wheelTier": "unknown",
"tyres": "Schwalbe Albert EVO Trail Soft, 29 x 2,5\"",
"weightKg": 22.8,
"ebike": {
"motor": {
"text": "Avinox | Avinox M1",
"brand": "dji",
"model": "avinox-m1",
"position": "mid",
"torqueNm": 105,
"torqueSource": "manufacturer",
"ratedPowerW": null,
"peakPowerW": null
},
"battery": {
"text": "864 | IPU900 Carbon - Push+",
"capacityWh": 864,
"count": 1,
"integration": "unknown",
"removable": null
},
"speedClass": "pedelec-25",
"rangeExtender": "unknown",
"display": null,
"abs": null,
"autoShift": null,
"statedRangeKm": null,
"eDiscipline": "e-mtb",
"eDisciplineBasis": "leaf",
"frameShape": "unknown",
"cargoType": "unknown",
"maxSystemWeightKg": 130,
"rackCapacityKg": null,
"weightIncludesBattery": null
},
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
}
],
"seller": null,
"availability": "in-stock",
"gtins": [],
"imageUrl": "https://www.bike-components.de/assets/p/i/1280x960/f3005c8304d4d14a.jpg",
"rawTitle": "ROTWILD R.EX Core 29\"/27.5\" e-mountain bike",
"fetchedAt": "2026-09-26T08:32:45.565Z",
"normalizationConfidence": 0.83,
"warnings": [
{
"code": "wheel-size-varies-by-frame-size",
"message": "the row states more than one wheel size (\"29\" (front), 27.5\" (rear)\"), so the wheel size of the bike in a given frame size is not established. Recorded as unknown rather than picking one.",
"severity": "info"
},
{
"code": "wheel-material-unknown",
"message": "Wheel material could not be established.",
"severity": "info"
},
{
"code": "mixed-groupset",
"message": "Not a uniform groupset: {\"rearDerailleur\":\"XT\",\"cassette\":\"Deore\"}. Ranked on the shifting level, with a penalty.",
"severity": "info"
}
],
"ebikeAi": {
"requested": [
"batteryIntegration",
"frameShape"
],
"applied": [],
"rejected": [],
"notes": "The source lists “Capacity: 864” and “Battery Type: IPU900 Carbon - Push+”, but does not establish a battery capacity in Wh or the battery integration type. The frame material is specified as Carbon, but no permitted frame shape is stated.",
"raw": {
"motorBrand": {
"value": "dji",
"evidence": "Motor Manufacturer: Avinox",
"confidence": 1
},
"motorModel": {
"value": "avinox-m1",
"evidence": "Motor Type: Avinox M1",
"confidence": 1
},
"batteryWh": {
"value": null,
"evidence": null,
"confidence": 0
},
"speedClass": {
"value": "pedelec-25",
"evidence": "Max. Assistance Speed: 25 km/h",
"confidence": 1
},
"batteryIntegration": {
"value": null,
"evidence": null,
"confidence": 0
},
"frameShape": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "The source lists “Capacity: 864” and “Battery Type: IPU900 Carbon - Push+”, but does not establish a battery capacity in Wh or the battery integration type. The frame material is specified as Carbon, but no permitted frame shape is stated."
}
}
}
{
"Application": "All Mountain, MTB",
"Brake Type": "disc",
"Kinematics": "Four-Bar Linkage",
"Rear triangle material": "Carbon",
"Frame material": "Carbon",
"Gender": "Women's, Men´s",
"Capacity": "864",
"Power": "850",
"Motor Manufacturer": "Avinox",
"Version": "Mid-Drive Motor",
"Motor Type": "Avinox M1",
"Battery Type": "IPU900 Carbon - Push+",
"Max. Assistance Speed": "25 km/h",
"Frame": "Rotwild R.EX",
"Grips": "Ergon GD 10",
"Seatpost": "8Pins NGS 3.0",
"Saddle": "Ergon SM Sport",
"Crankset": "e*thirteen e*spec Plus, 34 T",
"Headset": "Acros",
"Brakes": "Magura MT5, hydraulic",
"Chain": "Shimano M7100",
"Derailleur": "Shimano XT RD-M8100, 12-speed",
"Front Hub": "15 x 110 mm, Disc 6-Bolt",
"Front Wheel Tyre": "Schwalbe Albert EVO Trail Soft, 29 x 2,5\"",
"Shift Lever": "Shimano XT SL-M8100",
"Rear Wheel Tyre": "Schwalbe Albert EVO Trail Soft, 27,5 x 2,5\"",
"Cassette": "Shimano CS-M6100, 10-51 T, 12-speed",
"Rear Hub": "12 x 148 mm",
"Rims": "crankbrothers Synthesis Enduro, Tubeless Ready, inner width: 31.5 mm (front) / 29.5 mm (rear)",
"Pedals": "without",
"Front Derailleur": "without",
"Weight Limit": "130 kg",
"Travel": "160 mm",
"Crank Arm Length": "165,0 mm | 170,0 mm",
"Wheel size": "29\" (front), 27.5\" (rear)",
"Rear travel": "150 mm",
"Rear Shock": "Fox Racing Shox Float X Performance",
"Fork": "Fox Racing Shox Float 36 SL GRIP Performance",
"Brake Disc Size": "203 mm (Front / Rear)",
"Brake Discs": "Magura MDR-P",
"Stem": "e*thirteen Plus 35",
"Handlebar": "e*thirteen Plus",
"Head Tube Angle": "64",
"Stack": "638 mm | 642 mm | 651 mm",
"Standover Height": "735 mm | 733 mm | 732 mm",
"Wheelbase": "1246 mm | 1273 mm | 1303 mm",
"Reach": "462 mm | 487 mm | 512 mm",
"Chainstay Length": "439 mm",
"Seat Tube Angle": "78",
"BB Drop": "28 mm",
"Stem Length": "50 mm",
"Seat Tube Length": "445 mm | 475 mm | 511 mm",
"Head Tube Length": "110 mm | 115 mm | 120 mm",
"Bottom Bracket Height": "337 mm",
"Flat Bar Width": "780 mm",
"Effective Top Tube Length": "596 mm | 621 mm | 648 mm",
"Weight": "22.8 kg"
}
{
"retailer": "bike-components",
"retailerProductId": "294337",
"productUrl": "https://www.bike-components.de/en/ROTWILD/R-EX-Core-29-27-5-e-mountain-bike-p294337/",
"extractionMethod": "json-ld",
"sourceCategory": "e-bike",
"rawTitle": "ROTWILD R.EX Core 29\"/27.5\" e-mountain bike",
"rawBrand": "ROTWILD",
"price": 7990,
"originalPrice": 8990,
"currency": "EUR",
"imageUrl": "https://www.bike-components.de/assets/p/i/1280x960/f3005c8304d4d14a.jpg",
"rawSpecifications": {
"Application": "All Mountain, MTB",
"Brake Type": "disc",
"Kinematics": "Four-Bar Linkage",
"Rear triangle material": "Carbon",
"Frame material": "Carbon",
"Gender": "Women's, Men´s",
"Capacity": "864",
"Power": "850",
"Motor Manufacturer": "Avinox",
"Version": "Mid-Drive Motor",
"Motor Type": "Avinox M1",
"Battery Type": "IPU900 Carbon - Push+",
"Max. Assistance Speed": "25 km/h",
"Frame": "Rotwild R.EX",
"Grips": "Ergon GD 10",
"Seatpost": "8Pins NGS 3.0",
"Saddle": "Ergon SM Sport",
"Crankset": "e*thirteen e*spec Plus, 34 T",
"Headset": "Acros",
"Brakes": "Magura MT5, hydraulic",
"Chain": "Shimano M7100",
"Derailleur": "Shimano XT RD-M8100, 12-speed",
"Front Hub": "15 x 110 mm, Disc 6-Bolt",
"Front Wheel Tyre": "Schwalbe Albert EVO Trail Soft, 29 x 2,5\"",
"Shift Lever": "Shimano XT SL-M8100",
"Rear Wheel Tyre": "Schwalbe Albert EVO Trail Soft, 27,5 x 2,5\"",
"Cassette": "Shimano CS-M6100, 10-51 T, 12-speed",
"Rear Hub": "12 x 148 mm",
"Rims": "crankbrothers Synthesis Enduro, Tubeless Ready, inner width: 31.5 mm (front) / 29.5 mm (rear)",
"Pedals": "without",
"Front Derailleur": "without",
"Weight Limit": "130 kg",
"Travel": "160 mm",
"Crank Arm Length": "165,0 mm | 170,0 mm",
"Wheel size": "29\" (front), 27.5\" (rear)",
"Rear travel": "150 mm",
"Rear Shock": "Fox Racing Shox Float X Performance",
"Fork": "Fox Racing Shox Float 36 SL GRIP Performance",
"Brake Disc Size": "203 mm (Front / Rear)",
"Brake Discs": "Magura MDR-P",
"Stem": "e*thirteen Plus 35",
"Handlebar": "e*thirteen Plus",
"Head Tube Angle": "64",
"Stack": "638 mm | 642 mm | 651 mm",
"Standover Height": "735 mm | 733 mm | 732 mm",
"Wheelbase": "1246 mm | 1273 mm | 1303 mm",
"Reach": "462 mm | 487 mm | 512 mm",
"Chainstay Length": "439 mm",
"Seat Tube Angle": "78",
"BB Drop": "28 mm",
"Stem Length": "50 mm",
"Seat Tube Length": "445 mm | 475 mm | 511 mm",
"Head Tube Length": "110 mm | 115 mm | 120 mm",
"Bottom Bracket Height": "337 mm",
"Flat Bar Width": "780 mm",
"Effective Top Tube Length": "596 mm | 621 mm | 648 mm",
"Weight": "22.8 kg"
},
"rawFeatures": [
"R.EX Core 29\"/27.5\" e-mountain bike by ROTWILD – All Mountain Power and Precision The R.EX Core 29\"/27.5\" e-mountain bike by ROTWILD is designed for all mountain and MTB adventures, combining robust performance with advanced technology. Its carbon frame and rear triangle deliver a lightweight yet durable ride, while the Avinox M1 mid-drive motor offers smooth assistance up to 25 km/h. Equipped with crankbrothers Synthesis Enduro rims that are tubeless ready, you get excellent traction and control, paired with Schwalbe Albert EVO Trail Soft tires for reliable grip on varied terrain. The Shimano XT 12-speed drivetrain, including the SL-M8100 shift lever and RD-M8100 derailleur, ensures precise gear changes on every trail. Hydraulic Magura MT5 disc brakes provide confident stopping power in all conditions. The e*thirteen e*spec Plus crankset with 34 teeth and a Shimano CS-M6100 cassette with a wide 10-51T range gives you the versatility to tackle steep climbs and fast descents. Comfort is enhanced by the Ergon SM Sport saddle and GD 10 grips, while the 8Pins NGS 3.0 seatpost adds adjustability for your perfect fit. This bike blends cutting-edge components with thoughtful design to keep you riding strong all day."
],
"rawSizes": [
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 7990
}
],
"availabilityText": null,
"fetchedAt": "2026-09-26T08:32:45.565Z",
"sourceMeta": {
"productGroupId": 294337,
"ldShape": "ProductGroup",
"variantCount": 3,
"colours": [
"bloodfin red"
],
"skus": [
"1001054530",
"1001054531",
"1001054532"
],
"mpns": [
"REXF26C/M/13",
"REXF26C/L/13",
"REXF26C/XL/13"
],
"statedSizeCm": [],
"listingPrice": 7990,
"listingSrp": 8990,
"application": "All Mountain, MTB"
},
"listingPath": [
"E-Bikes",
"E-Mountain Bike"
]
}