KMC: Ebike Sprocket For Gen 2 Bosch Systems 1/2"x11/128", 1.9mm - Black - 21T
KMC BOSCH GEN2 21T E-BIKE FRONT NARROW SPROCKET
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 6 Aug 2026)
Based on a total of 24,333 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,333 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
Will usually delivered within 4 - 10 working days of receiving cleared payment.
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£10.95
Free Delivery
KMC Bosch 11/128" Front Sprocket, Black, 21T
Overall Rating: 2.3 / 5 (average from multiple review sources, as of 7 Aug 2026)
Based on a total of 47,264 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 47,264 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 6 to 7 months. Express Delivery available with Amazon Prime.
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£10.99
Delivery from £4.49
KMC Bosch 11/128" Front Sprocket, Black, 21T
Overall Rating: 1.3 / 5 (average from multiple review sources, as of 27 Jul 2026)
Based on a total of 67 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 67 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 6 to 7 months. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£12.20
Delivery from £4.49
KMC Bosch 11/128" Front Sprocket, Black, 21T
Overall Rating: 1.3 / 5 (average from multiple review sources, as of 27 Jul 2026)
Based on a total of 67 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 67 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
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£15.19
Free Delivery
Cheapest offer
Item Diameter: 11 Tooth / UPC: 8719189051100 / Material: Steel / MPN: BSFB5021 / eBay Product ID (ePID): 2073097228 / MaturityScore: 1.0 / Colour: Black / Brand: KMC / Number of Teeth: 21 Tooth / EAN: 8719189051100 / GTIN: 8719189051100 / Item Height: 21T / Model: Gen 2 / Compatible Bike Type: Electric Bike / Item Weight: 60 Gramsg / Part Type: Drive Sprocket
£10.95
Will usually delivered within 4 - 10 working days of receiving cleared payment.
ebay.co.uk
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KMC BOSCH GEN2 21T E-BIKE FRONT NARROW SPROCKET - Details
▶ Finding you the best price!
We have found 4 prices for KMC BOSCH GEN2 21T E-BIKE FRONT NARROW SPROCKET. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
KMC BOSCH GEN2 21T E-BIKE FRONT NARROW SPROCKET - Price Information
- Cheapest price: £10.95
- The cheapest price is offered by ebay.co.uk. You can order the product there.
- The price range for the product KMC BOSCH GEN2 21T E-BIKE FRONT NARROW SPROCKET is €£10.95to €£15.19 with a total of 4 offers.
- Payment methods: The online shop ebay.co.uk supports: PayPal, Visa, Mastercard
- Delivery: The shortest delivery time is Will usually delivered within 4 - 10 working days of receiving cleared payment. working days offered by ebay.co.uk.
5 Variants from £7.99
KMC Bosch Gen 2 Wide Front Sprocket, Black, 18T BSFB5818
£11.98
Amazon-marketplace.co.uk
Free Delivery
KMC Ebike Sprocket For Gen 2 Bosch Systems 1/2 x 11/128" 1.9mm (1
£7.99
fawkes-cycles.co.uk
Delivery from £2.95
Similar products
KMC Ebike Sprocket For Gen 2 Bosch Systems 1/2 x 11/128" 1.9mm (1
£7.99
fawkes-cycles.co.uk
Delivery from £2.95
KMC Bosch Gen 2 Wide Front Sprocket, Black, 18T BSFB5818
£11.98
Amazon-marketplace.co.uk
Free Delivery
KMC Ebike Sprocket For Gen 2 Bosch Systems 1/2 x 11/128" 1.9mm (1
£7.99
fawkes-cycles.co.uk
Delivery from £2.95
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