Frog 53
- Reflectors, mudguard and bell included
bracket position to ensure a safer more ergonomic riding experience, which also allows for a greater leg-length range to be accommodated, perfect for growing legs. And the handlebar height can be adjusted within a 40mm range, as a child grows.
If any more information is needed, please don't hesitate to get in touch with one of the team:
Marin Speed ConceptSizing guide: https://www.frogbikes.co.uk/fitting
ProjektRide Bike shop Edinburgh.
T- 01313745324-
Extras
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e*thirteen e*Spec Chainguide
Domestic shipping can take up to 5 business days.
Foreign shipping could take up to 14 business days.
Due to global supply chain challenges, shipping times could be longer than usual.Extras -
All our products are subject to quality control.Range, Charging Time
Our warranty provides a guarantee against manufacturer defects.
The guarantee covers any manufacturing, design, or material defect. Please notify us within 2 months of noticing any defects.31-78 miles/50-125km (Based on Rider Weight, Terrain, Climate and Level of Assist Used), 11 Hours (estimated, under idea
- /div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eSwitch\u003c\/h4\u003e\n\u003cp\u003eBosch BRC3300 Bluetooth Remote 22.2mm Clamp\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eExtras\u003c\/h4\u003e\n\u003cp\u003ee*thirteen e*Spec Chainguide\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eExtras\u003c\/h4\u003e\n\u003cp\u003eCush Core Pro Tire Inserts, Marin Tire Sealant 300ml Bottle, Bosch EB12.110.016; 2A Charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eRange, Charging Time\u003c\/h4\u003e\n\u003cp\u003e31-78 miles\/50-125km (Based on Rider Weight, Terrain, Climate and Level of Assist Used), 11 Hours (estimated, under ideal conditions)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2025-04-27T21:50:16+01:00","created_at":"2025-03-20T14:59:07+00:00
","vendor":"Marin","type":"Bicycles","tags":["Alpine Trail E1 Bosch"],"price":449900,"price_min":449900,"price_max":449900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50077214015830,"title":"Medium","option1":"Medium","option2":null,"option3":null,"sku":"737515002","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Marin Alpine Trail E1 Bosch - Medium","public_title":"Medium","options":["Medium"],"price":449900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":50077214048598,"title":"Large","option1":"Large","option2":null,"option3":null,"sku":"737515003","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Marin Alpine Trail E1 Bosch - Large","public_title":"Large","options":["Large"],"price":449900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":50077214081366,"title":"Extra Large","option1":"Extra Large","option2":null,"option3":null,"sku":"737515004","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Marin Alpine Trail E1 Bosch - Extra Large","public_title":"Extra Large","options":["Extra Large"],"price":449900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/substancecycles.co.uk\/cdn\/shop\/files\/AT-E1-Bosch-profile_1.png?v=1742481976"],"featured_image":"\/\/substancecycles.co.uk\/cdn\/shop\/files\/AT-E1-Bosch-profile_1.png?v=1742481976","options":["Size"],"media":[{"alt":null,"id":51880728887638,"position":1,"preview_image":{"aspect_ratio":1.46,"height":1815,"width":2649,"src":"\/\/substancecycles.co.uk\/cdn\/shop\/files\/AT-E1-Bosch-profile_1.png?v=1742481976"},"aspect_ratio":1.46,"h eight":1815,"media_type":"image","src":"\/\/substancecycles.co.uk\/cdn\/shop\/files\/AT-E1-Bosch-profile_1.png?v=1742481976","width":2649}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe all-new Alpine Trail E (Bosch) is our biggest, baddest beast of a bike family. Moving one step beyond in capability from the Alpine Trail E models, the new Alpine Trial E Bosch eMTBs are constructed with all-new Series 4 aluminum MultiTrac 2 LT frames that feature significant upgrades for riders who challenge themselves with the steepest, most technical terrain, as well as those who require the maximum in range.\u003c\/p\u003e\n\u003cp\u003eWe've increased the travel by 10mm at both ends, now standing at 170mm (f) and 160mm (r), and relocated the pivots to the chainstays to deliver the suspension performance and tunability demanded by the longer travel. Riders have the ability to alter the head tube angle by +\/- .75° by repositioning the lower headset cup while the bottom bracket height\/003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eBrakes Rear\u003c\/h4\u003e\n\u003cp\u003eTRP Slate EVO 4-Piston Hydraulic, 203mm Rotor, 2.3mm Thick\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eBrake Levers\u003c\/h4\u003e\n\u003cp\u003eTRP Slate EVO\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eHandlebar\u003c\/h4\u003e\n\u003cp\u003eMarin Mini Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eStem\u003c\/h4\u003e\n\u003cp\u003eMarin 3D Forged Alloy, 35mm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eGrips\u003c\/h4\u003e\n\u003cp\u003eMarin Grizzly Lock-On\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eHeadset\u003c\/h4\ u003e\n\u003cp\u003eFSA Custom Headset, Adjustable HTA Design\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eSeatpost\u003c\/h4\u003e\n\u003cp\u003eTranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M\/L = 170mm, XL = 200mm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eSaddle\u003c\/h4\u003e\n\u003cp\u003eMarin Speed Concept\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003ePedals\u003c\/h4\u003e\n\u003cp\u003e-\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eBattery\u003c\/h4\u003e\n\u003cp\u003eBosch PowerTube 750 Wh\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eDisplay\u003c\/h4\u003e\n\u003cp\u003eBosch BRC3100 Systems Controller\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eSwi
chainstay length can be changed by the means of seatstay flip chips.\u003c\/p\u003e\n\u003cp\u003eBosch's Performance Line CX drive units twist out 85Nm of torque and are backed by large capacity 750Wh PowerTube batteries, nestled safely in the frame's downtube, giving you the largest battery in the Marin range for the biggest adventures.\u003c\/p\u003e\n\u003cp\u003eThe Alpine Trail E1 (Bosch) is smartly spec'd with choice Marzocchi suspension with a coil shock out back, Shimano's innovative CUES 10-speed drivetrain and Tektro's Slate EVO 4-piston brakes with 203mm x 2.3mm rotors for when you need to reel in the party.\u003c\/p\u003e\n\u003ch3 class=\"specifications__title\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specifications__list\"\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eFrame\u003c\/h4\u003e\n\u003cp\u003eAll New, Series 4 Alloy, 160mm MultiTrac Suspension LT, Adjustable Headset \u0026amp; CS Length\/Height, Integrated Battery\/Charging Port, 148mm Rear Thru-Axle\u003c\/p\u0Yes, we offer full and partial refunds.03e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eFront Suspension\u003c\/h4\u003e\n\u003cp\u003eMarzocchi Z1, 170mm, 29\", 110x15 Kabolt Thru Axle, 44mm Offset\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eRear Suspension\u003c\/h4\u003e\n\u003cp\u003eMarzocchi CR Coil, 205x65mm, Trunnion Upper Mount, 30xM8 Lower Hardware, Custom Tune, M Spring Rate = 450lb, L Spring Rate = 500lb, XL Spring Rate = 550lb\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eRim\u003c\/h4\u003e\n\u003cp\u003eFront: Marin Aluminum Double Wall, 29\" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible; Rear: Marin Aluminum Double Wall, 27.5\" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eHub Rear\u003c\/h4\u003e\n\u003cp\u003eShiman
o HB-TC500, 148x12mm, Centerlock, Standard Freehub Body\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eHub Front\u003c\/h4\u003e\n\u003cp\u003eShimano FH-TC500, 110x15mm, Centerlock, 32H\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eSpokes\u003c\/h4\u003e\n\u003cp\u003e14g Black Stainless Steel\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eTires\u003c\/h4\u003e\n\u003cp\u003eVee Tire Co Attack HPL, E-Control Compound, Front 29x2.5\", Rear 27.5x2.5\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eDerailleur Rear\u003c\/h4\u003e\n\u003cp\u003eShimano CUES RD-U6000 GS, 10-Speed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eDerailleur Front\u003c\/h4\u003e\n\u003cp\u003e-\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\Please enquire for more information about our Refund policy.u003e\n\u003ch4\u003eShift Lever\u003c\/h4\u003e\n\u003cp\u003eShimano CUES SL-U6000-10R, 10-Speed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eCrankset\u003c\/h4\u003e\n\u003cp\u003ee*thirteen e*spec Plus, 160mm Length\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eMotor\u003c\/h4\u003e\n\u003cp\u003eBosch Performance Line CX, 85Nm, 20MPH (US, NZ)\/25 km\/h (Rest of World) Top Assisted Speed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eChain\u003c\/h4\u003e\n\u003cp\u003eShimano LG500\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eCassette\u003c\/h4\u003e\n\u003cp\u003eShimano CS-LG300-10, 11-48T\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003ch4\u003eBrakes Front\u003c\/h4\u003e\n\u003cp\u003eTRP Slate EVO 4-Piston Hydraulic, 203mm Rotor, 2.3mm Thick\u - { "@context": "http://schema.org/", "@type": "Product", "name": "Marin Alpine Trail E1 Bosch", "url": "https:\/\/substancecycles.co.uk\/products\/marin-alpine-trail-e1-bosch","image": [ "https:\/\/substancecycles.co.uk\/cdn\/shop\/files\/AT-E1-Bosch-profile_1_2649x.png?v=1742481976" ],"description": "The all-new Alpine Trail E (Bosch) is our biggest, baddest beast of a bike family. Moving one step beyond in capability from the Alpine Trail E models, the new Alpine Trial E Bosch eMTBs are constructed with all-new Series 4 aluminum MultiTrac 2 LT frames that feature significant upgrades for riders who challenge themselves with the steepest, most technical terrain, as well as those who require the maximum in range.\nWe've increased the travel by 10mm at both ends, now standing at 170mm (f) and 160mm (r), and relocated the pivots to the chainstays to deliver the suspension performance and tunability demanded by the longer travel. Riders have the ability to alter the head tube angle by +\/- .75° by repositioning the lower headset cup while the bottom bracket height\/chainstay length can be changed by the means of seatstay flip chips.\nBosch's Performance Line CX drive units twist out 85Nm of torque and are backed by large capacity 750Wh PowerTube batteries, nestled safely in the frame's downtube, giving you the largest battery in the Marin range for the biggest adventures.\nThe Alpine Trail E1 (Bosch) is smartly spec'd with choice Marzocchi suspension with a coil shock out back, Shimano's innovative CUES 10-speed drivetrain and Tektro's Slate EVO 4-piston brakes with 203mm x 2.3mm rotors for when you need to reel in the party.\nSpecifications\n\n\n\nFrame\nAll New, Series 4 Alloy, 160mm MultiTrac Suspension LT, Adjustable Headset \u0026amp; CS Length\/Height, Integrated Battery\/Charging Port, 148mm Rear Thru-Axle\n\n\n\n\nFront Suspension\nMarzocchi Z1, 170mm, 29\", 110x15 Kabolt Thru Axle, 44mm Offset\n\n\n\n\nRear Suspension\nMarzocchi CR Coil, 205x65mm, Trunnion Upper Mount,
30xM8 Lower Hardware, Custom Tune, M Spring Rate = 450lb, L Spring Rate = 500lb, XL Spring Rate = 550lb\n\n\n\n\nRim\nFront: Marin Aluminum Double Wall, 29\" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible; Rear: Marin Aluminum Double Wall, 27.5\" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible\n\n\n\n\nHub Rear\nShimano HB-TC500, 148x12mm, Centerlock, Standard Freehub Body\n\n\n\n\nHub Front\nShimano FH-TC500, 110x15mm, Centerlock, 32H\n\n\n\n\nSpokes\n14g Black Stainless Steel\n\n\n\n\nTires\nVee Tire Co Attack HPL, E-Control Compound, Front 29x2.5\", Rear 27.5x2.5\"\n\n\n\n\nDerailleur Rear\nShimano CUES RD-U6000 GS, 10-Speed\n\n\n\n\nDerailleur Front\n-\n\n\n\n\nShift Lever\nShimano CUES SL-U6000-10R, 10-Speed\n\n\n\n\nCrankset\ne*thirteen e*spec Plus, 160mm Length\n\n\n\n\nMotor\nBosch Performance Line CX, 85Nm, 20MPH (US, NZ)\/25 km\/h (Rest of World) Top Assisted Speed\n\n\n\n\nChain\nShimano LG500\n\n\n\n\nCassette\nShimano CS-LG300-10,We use all major carriers, and local courier partners. Use the shipping estimator in the cart to check your shipping rates. 11-48T\n\n\n\n\nBrakes Front\nTRP Slate EVO 4-Piston Hydraulic, 203mm Rotor, 2.3mm Thick\n\n\n\n\nBrakes Rear\nTRP Slate EVO 4-Piston Hydraulic, 203mm Rotor, 2.3mm Thick\n\n\n\n\nBrake Levers\nTRP Slate EVO\n\n\n\n\nHandlebar\nMarin Mini Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back\n\n\n\n\nStem\nMarin 3D Forged Alloy, 35mm\n\n\n\n\nGrips\nMarin Grizzly Lock-On\n\n\n\n\nHeadset\nFSA Custom Headset, Adjustable HTA Design\n\n\n\n\nSeatpost\nTranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M\/L = 170mm, XL = 200mm\n\n\n\n\nSaddle\nMarin Speed Concept\n\n\n\n\nPedals\n-\n\n\n\n\nBattery\nBosch PowerTube 750 Wh\n\n\n\n\nDisplay\nBosch BRC3100 Systems Controller\n\n\n\n\nSwitch\nBosch BRC3300 Bluetooth Remote 22.2mm Clamp\n\n\n\n\nExtras\ne*thirteen e*Spec Chainguide\n\n\n\n\nExtras\nCush Core Pro Tire Inserts, Marin Tire Sealant 300ml Bottle, Bosch EB12.110.016; 2A Charger\n\n\n\n\nRange, Charging Time\n31-78 miles\/50-125km (Based on Rider Weight, Terrain, Climat