Modell |
Bild: Specialized
Specialized Boy's Hotrock 20 Coaster |
Bild: Bergamont
Bergamont Bergamonster 20 Boy |
Bild: ACADEMY
ACADEMY Grade 4 Variante Red |
Bild: B'TWIN
B'TWIN Explore 500 Variante dunkelorange / BLAU |
Bild: BH Bikes
BH Bikes Expert Junior 20 Susp Variante silver / white / red |
Bild: BMC
BMC Twostroke AL 20 Variante Turquoise & Black |
Bild: BOCAS
BOCAS Light 20 Variante Rot/Weiß |
|---|---|---|---|---|---|---|---|
Top Angebot |
- Kein Angebot - |
339,99 € Angebote ansehen |
379,00 € Angebote ansehen |
239,99 € Angebot ansehen |
458,99 € Angebot ansehen |
599,99 € Angebote ansehen |
379,99 € Angebot ansehen |
Basisdaten |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Hersteller |
Specialized | Bergamont | ACADEMY | B'TWIN | BH Bikes | BMC | BOCAS |
Modellname |
Boy's Hotrock 20 Coaster | Bergamonster 20 Boy | Grade 4 | Explore 500 | Expert Junior 20 Susp | Twostroke AL 20 | Light 20 |
Modellvariante |
– | – | Red | dunkelorange / BLAU | silver / white / red | Turquoise & Black | Rot/Weiß |
Modelljahr |
2017 | 2022 | 2022 | 2024 | 2023 | 2022 | 2020 |
Farbe |
Black/White/Blue | sunny orange (shiny) | Red | dunkelorange / BLAU | silver / white / red | Turquoise & Black | Rot/Weiß |
Geschlecht |
Jungen | Jungen | Kinder | Kinder | Kinder | Kinder | Kinder |
Geschlecht (Hersteller) |
Jungen | Junge Jungen | Jungen | – | – | – | Kid |
Körpergröße |
120 cm ‒ 135 cm | 120 cm ‒ 131 cm | 120 cm ‒ 135 cm | 120 cm ‒ 135 cm | 120 cm ‒ 135 cm | 120 cm ‒ 135 cm | 120 cm ‒ 135 cm |
empfohlenes Alter |
6 Jahre ‒ 8 Jahre | 6 Jahre ‒ 8 Jahre | 6 Jahre ‒ 8 Jahre | 6 Jahre ‒ 9 Jahre | 6 Jahre ‒ 8 Jahre | 6 Jahre ‒ 8 Jahre | 6 Jahre ‒ 8 Jahre |
Schrittlänge |
38 cm ‒ 42 cm | 47 cm ‒ 52 cm | 48 cm ‒ 54 cm | 47 cm ‒ 52 cm | 55 cm ‒ 61 cm | 55 cm ‒ 61 cm | 40 cm ‒ 44 cm |
Gewicht |
– | 11,2 kg | 7,5 kg | 12,4 kg | – | 9,2 kg | 8,3 kg |
zul. Gesamtgewicht |
– | 65 kg | 70 kg | – | 165 kg | 60 kg | – |
maximale Zuladung |
– | 54 kg | 62 kg | – | – | 51 kg | – |
Oberkategorie |
Fahrräder | Fahrräder | Fahrräder | Fahrräder | Fahrräder | Fahrräder | Fahrräder |
Kategorie |
MTB | MTB | MTB | MTB | MTB | MTB | MTB |
Unterkategorie |
Hardtail | Hardtail | Hardtail | Hardtail | Hardtail | Hardtail | Hardtail |
Sonstiges |
– | – | 1 x ACADEMY Grade 4 | – | – | – | – |
UVP |
249,00 € | 379,00 € | 539,00 € | 239,99 € | 469,90 € | 739,00 € | 449,99 € |
StVZO |
– | ohne Straßenzulassung | – | – | – | – | – |
Herstellerkategorie |
Kids | Kids Kurzstrecke Tour Feld-/Waldwege | Kinderfahrrad | Leichte Kinderfahrräder | – | 110 - 140 CM | Kinderfahrrad | Fahrräder | MTB |
Schaltwerk |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Gänge |
1 | 1x7 | 1x8 | 1x6 | 1x7 | 1x8 | 6 |
Schalthebel |
– | Shimano SL-RS36, 1x7-fach, Drehgriff | Shimano SL-R2000, Rapidfire | Drehschaltgriff | REVO SL RS35 | Sram X4 8Spd Trigger | – |
Schaltung |
– | – | Shimano 8-Gang Claris | – | Shimano Tourney | Sram X4 1x8 | Shimano Tourney 6-Gang Kettenschaltung |
Art der Schaltung |
Singlespeed | Kettenschaltung | Kettenschaltung | – | Kettenschaltung | Kettenschaltung | Kettenschaltung |
Schaltwerk |
– | Shimano „RD-TY300″ | Shimano RD-R2000SS Claris, 8-fach | Shimano | Shimano Tourney | Sram X4, Medium Cage | – |
Bremsanlage |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Bremse (vorne) |
V-brake, alloy, linear pull | – | V-Brake, Aluminium | – | – | – | – |
Bremse (hinten) |
– | – | V-Brake, Aluminium | – | – | – | – |
Bremsen |
– | Alloy V-Bremse | – | V-Brakes | Alhonga HJ-805AD7 | TEKTRO HD-M286, short reach levers | – |
Bremsentyp |
Felgenbremse | Rücktrittbremse | Felgenbremse | Felgenbremse | Felgenbremse | – | Scheibenbremse | – |
Bremshebel |
– | V-Bremshebel, Aluminium, einstellbare Griffweite | Aluminium, 3 Finger | – | – | – | – |
Bremse Hersteller |
– | – | – | – | Alhonga | TEKTRO | – |
Bremsscheibe (vorne) Durchmesser |
– | – | – | – | – | 140 mm | – |
Bremsscheibe (hinten) Durchmesser |
– | – | – | – | – | 140 mm | – |
Rücktrittbremse |
Rücktrittbremse | – | – | – | – | – | – |
Cockpit |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Lenker |
BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 22.2mm | BGM Comp, Riser Lenker | 560mm Lenkerbreite, double butted Aluminium, 20mm Rise | – | Alloy | SDG Slater Handlebar, 20mm Rise, 19mm Bar Ends, 31.8mm Clamp. | – |
Lenkerbreite |
620 mm | 540 mm | – | – | – | 650 mm | – |
Lenkervorbau |
Ahead, alloy, 1-1/8″ | BGM Comp, mit Syncros Stem Protector | Syntace VRO-System / Comoa AHEAD Ergoline | – | Alloy | BMC 40mm Length, ± 6 Angle | – |
Griffe |
Specialized Kraton, closed end, 105mm | BGM Kids | Velo schwarz | – | – | – | – |
Steuersatz |
Ahead, 1/8″ sealed cartridge bearings | BGM FP-H807, A-Headset, semi-integriert, 1 1/8″ | – | – | Integrated | – | – |
Fahrwerk |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Gabel |
Hi-Ten steel, 1-1/8″ threadless steerer, 3/8″ axle dropouts | SR SUNTOUR XCT JR weiche Gabelfedern | Aluminium Starrgabel | Federgabel | SR SUNTOUR SF14-M3010 | Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish• Post Mount• 9X100mm QR | Starrgabel |
Gabel Hersteller |
– | SR SUNTOUR | – | – | SR SUNTOUR | – | – |
Art der Gabel |
– | Federgabel | Starrgabel | Federgabel | – | Federgabel | Starrgabel |
Gabelvorbiegung |
40 mm | 40 mm | – | – | – | – | – |
Gabel Federweg |
– | 40 mm | – | – | – | 140 mm | – |
Gabeleinbaulänge |
– | 351 mm | – | – | – | – | – |
Laufrad |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Felgen |
20″, alloy single wall, pin joint, 36h | Shining V-6NS | 20x1.5 Zoll, 20-Loch, Aluminium, schwarz | – | Alloy | DD32 | – |
Reifen |
– | Kenda Booster | – | – | Kenda K-922 | Kenda Booster | – |
Vorderreifen |
Specialized Rhythm Lite, 2.0″ | – | Vee Rubber Rail, Skinwall Synthesis, Reflexstreifen, 90 TPI | – | – | – | – |
Hinterreifen |
Specialized Rhythm Lite, 2.0″ | – | Vee Rubber Rail, Skinwall Synthesis, Reflexstreifen, 90 TPI | – | – | – | – |
Reifen Hersteller |
– | Kenda | Vee Rubber | – | Kenda | Kenda | – |
Naben |
– | – | – | – | – | CNC Machined Alloy Hub Body, Sealed Bearings, Quick Release | – |
Nabe (vorne) |
Steel, 3/8″ axle, 36h | BGM Comp | Aluminium, 14G/20-Loch, schwarz, QR | – | Alloy | – | – |
Nabe (hinten) |
Steel, coaster brake, nutted axle, 36h | BGM Comp | Aluminium, 14G/20-Loch, schwarz, QR | – | Alloy | – | – |
Speichen |
Stainless, 14g | Stahl, schwarz | – | – | – | – | – |
Reifengröße (ETRTO) |
– | – | 40-406 | – | – | – | – |
Reifengröße (Zoll) |
20″ | 20″×2,2″ | 20″ | 20″ | 20″ | 20″×2,4″ | 20″ |
Reifenfeatures |
– | – | Reflexstreifen | – | – | – | – |
Schläuche |
Standard, Schrader valve | – | – | – | – | – | – |
Laufradgröße |
20″ | 20″ | 20″ | 20″ | 20″ | 20″ | 20″ |
Kraftübertragung |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Art der Übertragung |
Kettenantrieb | Kettenantrieb | Kettenantrieb | – | – | Kettenantrieb | Kettenantrieb |
Kette |
KMC Z510, single speed, anti-drop, 1/2″x1/8″ | KMC Z7 | KMC "Z8.1″ | – | – | Sram 8spd | – |
Kettenradgarnitur |
Hi-Ten steel, OPC | Prowheel 36t, Länge: 127 mm | ACADEMY 30-Zähne, 115mm Kurbelarmlänge, Aluminium | – | Alloy 32T | Lightweight Forged Alloy Cranks, 32T 1x Specific Narrow Wide chainring, 127mm | – |
Kettenblatt |
36T | – | – | – | – | – | – |
Kurbellänge |
127 mm | 127 mm | – | – | – | – | – |
Kurbelsatz |
– | – | ACADEMY 30 Zähne, 115mm, Aluminium | 140 mm | – | – | – |
Kettenschutz |
vorhanden | – | – | – | – | – | – |
Kassette |
– | SunRace MF-M300, 13-34t | SunRace 11-28 Zähne | – | – | SunRace 11-34T | – |
Übersetzung vorne/hinten |
– | 36T / 13-34T | 30T / 11-28T | – | – | 32T / 11-34T | – |
Entfaltung |
– | – | 1,6 m ‒ 4,2 m | – | – | – | – |
Tretwerk |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Pedale |
Nylon, BMX style, loose ball bearings, 9/16″, w/ reflectors | Marwi SP-700 | 95x80x23mm, Kugellager, schwarz mit Reflektoren, 9/16 Gewinde | – | Fasten NW-310 | – | – |
Innenlager |
Steel, OPC Ball retainer type | gedichtetes Lager, BSA | THUN Go(A)l 120L, 122mm | – | – | – | – |
Sitze |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Sattel |
Specialized Kids, 7mm rails, w/ clamp | Syncros Future Pro | – | – | Velo 5062 | SDG Fly Jr | – |
Sattelklemme |
Alloy, 31.8mm | – | – | – | – | – | – |
Sattelstütze |
Steel | BGM Comp | Aluminium | 300 | Alloy | Alloy | – |
Sattelstützenlänge |
300 mm | – | 250 mm | – | – | – | – |
Durchmesser Sattelstütze |
25 mm | – | 27 mm | – | – | 27 mm | – |
Rahmen |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Rahmen |
Specialized A1 Premium Aluminum, 20″ singlespeed coaster, formed top tube/down tube, forged horizontal dropouts | 20″, lite AL-6061 Rohrsatz | Tripple Butted Aluminium | Stahl | – | Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish• 1 1/8″ Head Tube• BSA Threaded Bottom Bracket• 140mm Post Mount• 9X135mm QR | Aluminium |
Rahmenform |
MTB | MTB | MTB | MTB | MTB | MTB | MTB |
Rahmenform (Hersteller) |
MTB | Sloping Diamant | Diamant | – | Kids | Sloping | Sloping |
Rahmenmaterial |
Aluminium | Aluminium | Aluminium | Stahl | Aluminium | Aluminium | Aluminium |
Rahmenmaterial (Hersteller) |
– | Aluminium | Aluminium | – | Alloy | – | – |
Rahmengröße |
– | one size | – | – | MD | – | – |
Rahmenhöhe |
23 cm | 28 cm | 29 cm | 28 cm | – | – | 24 cm |
Geometrie |
Specialized Boy's Hotrock 20 Coaster |
Bergamont Bergamonster 20 Boy |
ACADEMY Grade 4 |
B'TWIN Explore 500 |
BH Bikes Expert Junior 20 Susp |
BMC Twostroke AL 20 |
BOCAS Light 20 |
Sitzrohrwinkel |
72° | 73,5° | – | – | – | – | – |
Sitzrohrlänge |
279 mm | 280 mm | – | 285 mm | – | – | – |
Steuerrohrlänge |
110 mm | 100 mm | – | – | – | – | – |
Steuerrohrwinkel |
69° | 69° | – | – | – | – | – |
Oberrohrlänge |
– | 450 mm | – | 432 mm | – | – | – |
Oberrohrlänge horizontal |
465 mm | – | – | – | – | – | – |
Hinterbaulänge |
390 mm | 370 mm | – | 360 mm | – | – | – |
Tretlagerabsenkung |
20 mm | – | – | – | – | – | – |
Tretlagerhöhe |
237 mm | – | – | – | – | – | – |
Radstand |
916 mm | 892 mm | – | – | – | – | – |
Reach |
– | 323 mm | – | – | – | – | – |
Stack |
– | 427 mm | – | – | – | – | – |
Stack/Reach-Verhältnis |
– | 1.322 | – | – | – | – | – |
Überstandshöhe |
555 mm | 534 mm | – | – | – | – | – |
Vorbaulänge |
70 mm | 50 mm | – | – | – | – | – |
Lenkwinkel |
– | – | – | 68,8° | – | – | – |
Top Angebot |
- Kein Angebot - |
339,99 € Angebote ansehen |
379,00 € Angebote ansehen |
239,99 € Angebot ansehen |
458,99 € Angebot ansehen |
599,99 € Angebote ansehen |
379,99 € Angebot ansehen |