Product information
(The chain of this kit is not ordinary IG51 but genuine HG50) Standard accessories: M310 finger dial + M310 front derailleur + M310 rear derailleur + M311 chain ring + HG31-8 flywheel + HG50-8 chain + BB-UN26 123MM bottom bracket (set of 7)
Product specifications
Bicycle Transmission Upgrade Kit
🚚 Arrives approx. November 15 – November 28
Economy shipping starts at 0.5 m³ — your cart is 0.011 m³.
Buyer protection: full refund if your item arrives damaged, not as described, or never arrives. Report it within 14 days of delivery with a photo.
Cash on delivery
Sham Cash













