MMR Simun 70 Gravel Bike Shimano GRX

The MMR Simun 70 is a carbon gravel bike designed for riders who want to race and train on gravel and tarmac. It features Shimano GRX components and tubeless ready wheels for sporty and competitive riding.

• Carbon frame and fork for sporty, responsive handling on any surface
• Clearance for tyres up to 700x45C, letting you choose more or less grip
• Shimano GRX groupset with a 46/30 crankset and 11-36 cassette for steep climbs and fast sections
• Hutchinson Caracal TR 700x40C tubeless ready tyres let you reduce the risk of punctures
• Available in sizes 44-XS, 46-S, 48-M, 51-L and in Dark Grey and Soft Beige

Technical specifications

• Frame: Simun, mid-modulus carbon, 700x45C max, 142x12, T47 85.5
• Fork: Simun, mid-modulus carbon, 700x45C max, 100x12
• Shifters and derailleur: Shimano GRX RX820
• Brakes: Shimano GRX RX400
• Crankset: Shimano GRX RX610, 46/30, 170 mm (XS/S/M) or 172.5 mm (L)
• Cassette: Shimano R7100 11-36
• Chain: Shimano M-6100
• Wheels: XCR 7000 TLR, aluminium, Centerlock, front hub 100x12, rear hub 142x12
• Tyres: Hutchinson Caracal TR, 700x40C, folding, tubeless ready
• Sizes: 44-XS, 46-S, 48-M, 51-L

Founded in Asturias in the 1980s by Manuel Menéndez, MMR is now based in Avilés and offers road, mountain, gravel and electric bikes. Daniel Alonso relaunched the brand in 2008. In-house development and collaboration with teams help shape its bicycles.