With nearly eight years as an established online trials bike retailer, TartyBikes prides itself on providing unrivalled product knowledge and outstanding service to customers all across the world. We have customers in over 70 countries, and can send to the USA and Canada on a next day service with FedEx - even the most remote locations can be delivered to in under a week (please see our International Ordering section for full details).
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- Super tough hardened Cro-Moly sprocket from Surly, much more wear resistant than similar Stainless Steel sprockets.
- Full CNC Machined construction, with shot blasting afterwards to increase surface hardness and durability.
- 7.3mm base.
- Compatible with all 1/8" and 3/32" chains.
- Industry standard 1.37" x 24tpi thread fits fixed rear hubs and threaded cranks.
- Weights: 19T - 81.9g. 21T - 100.5g.
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